---
tool: Crawlinx SEO audit
source: https://crawlinx.com
domain: shutter-kobo.jp
report_url: "https://crawlinx.com/audit/shutter-kobo.jp"
crawl_id: 20260724T101907-62031596
health_score: 50
generated_at: 2026-08-26T02:43:14Z
total_pages: 50
html_pages: 46
indexable_pages: 46
errors: 14
warnings: 393
notices: 586
---

# SEO audit: shutter-kobo.jp

**Health score: 50/100** — needs attention

> Audited by [Crawlinx](https://crawlinx.com) — the free technical-SEO crawler. Full report: https://crawlinx.com/audit/shutter-kobo.jp

## Overview

| Metric | Value |
| --- | --- |
| Pages crawled | 50 |
| HTML pages | 46 |
| Indexable | 46 |
| Non-indexable | 0 |
| Orphan pages | 0 |
| Broken internal links | 0 |
| Avg response time | 1216 ms |
| Errors / Warnings / Notices | 14 / 393 / 586 |
| Status codes | 50×200 |

## Categories

| Category | Score | Errors | Warnings | Notices |
| --- | ---: | ---: | ---: | ---: |
| Security | 59 | 14 | 22 | 45 |
| Links | 0 | 0 | 218 | 12 |
| Content | 72 | 0 | 46 | 78 |
| Duplicate | 77 | 0 | 38 | 39 |
| Canonical | 80 | 0 | 33 | 0 |
| Performance | 86 | 0 | 24 | 165 |
| Agent Readiness | 95 | 0 | 9 | 22 |
| Titles | 98 | 0 | 3 | 2 |
| Crawlability | 100 | 0 | 0 | 9 |
| Images | 100 | 0 | 0 | 24 |
| Meta Description | 100 | 0 | 0 | 50 |
| Social | 100 | 0 | 0 | 92 |
| Structured Data | 100 | 0 | 0 | 46 |
| URL | 100 | 0 | 0 | 2 |

## Issues

### Errors (14)

#### Mixed content on HTTPS page

- Rule: `security.mixed_content` · Category: Security · Occurrences: 14

- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — 4 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/DSCF09291-300x225.jpg
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — 2 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/080-300x225.jpg
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/1708301863520-450x600.jpg
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/DSC_0490-600x338.jpg
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/DSC_0952-600x338.jpg
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/1708301798750-338x600.jpg
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/1708301895070-450x600.jpg
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/DSC_0692-600x338.jpg
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/DSC_0877-600x338.jpg
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/1708301798750-1-338x600.jpg
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/1581581840528-450x600.jpg
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — 1 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2024/02/1681105278414-600x450.jpg
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — 2 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/DSCF09291-300x225.jpg
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — 4 insecure subresource(s), e.g. http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/DSCF09291-300x225.jpg

### Warnings (393)

#### Control has no accessible name

- Rule: `agent.control_no_name` · Category: Agent Readiness · Occurrences: 9

- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — 10 button/link(s) with no text or aria-label — an agent can't target them
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — 10 button/link(s) with no text or aria-label — an agent can't target them

#### Missing canonical tag

- Rule: `canonical.missing` · Category: Canonical · Occurrences: 33

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/)
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/)
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog)
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works)
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/)
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/)
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/)
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html)
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/)
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/)
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html)
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html)
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html)
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html)
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/)
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/)
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html)
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/)
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog)
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9)
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company)
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact)
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html)
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow)
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list)
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori)
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price)

#### Thin content (low word count)

- Rule: `content.thin` · Category: Content · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — 44 words
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — 44 words
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — 57 words
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — 52 words
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — 52 words
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — 58 words
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — 92 words
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — 92 words
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — 34 words
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — 45 words
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — 45 words
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — 49 words
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — 46 words
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — 54 words
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — 143 words
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — 75 words
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — 75 words
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — 44 words
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — 26 words
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — 32 words
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — 22 words
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — 22 words
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — 22 words
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — 22 words
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — 22 words
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — 23 words
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — 23 words
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — 23 words
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — 22 words
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — 22 words
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — 31 words
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — 57 words
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — 52 words
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — 51 words
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — 49 words
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — 57 words
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — 59 words
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — 61 words
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — 41 words
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — 58 words
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — 92 words
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — 92 words
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — 34 words
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — 45 words
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — 143 words
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — 75 words

#### Homepage duplicated across protocol/host variants (no redirect)

- Rule: `duplicate.protocol_host` · Category: Duplicate · Occurrences: 3

- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — http://shutter-kobo.jp/ serves the same homepage content with a 200 and no redirect — Google sees a duplicate. Pick one canonical host/scheme and 301-redirect the others.
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — http://www.shutter-kobo.jp/ serves the same homepage content with a 200 and no redirect — Google sees a duplicate. Pick one canonical host/scheme and 301-redirect the others.
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — https://www.shutter-kobo.jp/ serves the same homepage content with a 200 and no redirect — Google sees a duplicate. Pick one canonical host/scheme and 301-redirect the others.

#### Duplicate <title> across pages

- Rule: `duplicate.title` · Category: Duplicate · Occurrences: 35

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — title shared by 3 pages: https://shutter-kobo.jp/, https://www.shutter-kobo.jp/
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — title shared by 3 pages: https://www.shutter-kobo.jp/, http://www.shutter-kobo.jp/
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — title shared by 2 pages: https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — title shared by 9 pages: https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works, https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — title shared by 2 pages: https://www.shutter-kobo.jp/company
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — title shared by 4 pages: https://shutter-kobo.jp/contact/index.html, https://www.shutter-kobo.jp/contact, https://www.shutter-kobo.jp/contact/index.html
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — title shared by 4 pages: https://shutter-kobo.jp/contact/, https://www.shutter-kobo.jp/contact, https://www.shutter-kobo.jp/contact/index.html
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — title shared by 2 pages: https://www.shutter-kobo.jp/flow
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — title shared by 2 pages: https://www.shutter-kobo.jp/list
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — title shared by 2 pages: https://www.shutter-kobo.jp/mitsumori
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — title shared by 3 pages: https://shutter-kobo.jp/price/index.html, https://www.shutter-kobo.jp/price
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — title shared by 3 pages: https://shutter-kobo.jp/price/, https://www.shutter-kobo.jp/price
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — title shared by 3 pages: https://shutter-kobo.jp/, http://www.shutter-kobo.jp/
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — title shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/355, https://www.shutter-kobo.jp/blog/archives/352
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — title shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/355, https://www.shutter-kobo.jp/blog/archives/349
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — title shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/352, https://www.shutter-kobo.jp/blog/archives/349
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — title shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/367, https://www.shutter-kobo.jp/blog/archives/364
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — title shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/367, https://www.shutter-kobo.jp/blog/archives/361
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — title shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/364, https://www.shutter-kobo.jp/blog/archives/361
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — title shared by 2 pages: https://shutter-kobo.jp/blog/archives/category/blog
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://shutter-kobo.jp/blog/archives/category/works, https://www.shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — title shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — title shared by 2 pages: https://shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — title shared by 4 pages: https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/contact/index.html, https://www.shutter-kobo.jp/contact/index.html
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — title shared by 4 pages: https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/contact/index.html, https://www.shutter-kobo.jp/contact
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — title shared by 2 pages: https://shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — title shared by 2 pages: https://shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — title shared by 2 pages: https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — title shared by 3 pages: https://shutter-kobo.jp/price/, https://shutter-kobo.jp/price/index.html

#### Content-Type header doesn't match the actual content

- Rule: `headers.content_type_mismatch` · Category: Security · Occurrences: 22

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".

#### Internal link points to a redirect

- Rule: `links.redirect_target` · Category: Links · Occurrences: 218

- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — https://shutter-kobo.jp/blog/archives/category/works/ → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — https://shutter-kobo.jp/blog/archives/category/blog → https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — https://shutter-kobo.jp/blog/archives/category/works → https://www.shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
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- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
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- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
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- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
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- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
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- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
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- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
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- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
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- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
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- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
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- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
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- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
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- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
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- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
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- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
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- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
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- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
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- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
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- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
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- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
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- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — https://www.shutter-kobo.jp/company → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — https://www.shutter-kobo.jp/contact → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — https://www.shutter-kobo.jp/flow → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — https://www.shutter-kobo.jp/list → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — https://www.shutter-kobo.jp/mitsumori → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — https://www.shutter-kobo.jp/price → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — https://www.shutter-kobo.jp/company/ → https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — https://www.shutter-kobo.jp/contact/ → https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — https://www.shutter-kobo.jp/flow/ → https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — https://www.shutter-kobo.jp/list/ → https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — https://www.shutter-kobo.jp/mitsumori/ → https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — https://www.shutter-kobo.jp/price/ → https://www.shutter-kobo.jp/price/

#### Render-blocking script in <head> (no defer/async)

- Rule: `perf.render_blocking` · Category: Performance · Occurrences: 24

- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — 5 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — 5 render-blocking <script> in <head> (add defer/async or use type=module)

#### Title likely truncated in SERP (too wide)

- Rule: `title.too_long` · Category: Titles · Occurrences: 3

- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — 71 chars, ~597px (limit ~580px)
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — 71 chars, ~597px (limit ~580px)
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — 71 chars, ~597px (limit ~580px)

### Notices (586)

#### No llms.txt for AI agents

- Rule: `agent.llms_txt_missing` · Category: Agent Readiness · Occurrences: 1

- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — no llms.txt found at the site root — add one so AI agents get a curated site summary

#### No main landmark for AI agents

- Rule: `agent.no_main_landmark` · Category: Agent Readiness · Occurrences: 21

- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — add a <main> element (or role=main) around the primary content
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — add a <main> element (or role=main) around the primary content
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — add a <main> element (or role=main) around the primary content

#### Low text-to-HTML ratio

- Rule: `content.low_ratio` · Category: Content · Occurrences: 10

- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — 3.1%
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — 3.0%
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — 3.0%
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — 3.0%
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — 3.0%
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — 3.1%
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — 3.1%
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — 3.1%
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — 3.0%
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — 2.9%

#### Title tag and meta description are identical

- Rule: `content.title_meta_same` · Category: Meta Description · Occurrences: 19

- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — the meta description is identical to the <title> — write a distinct description to control the SERP snippet

#### Duplicate meta description across pages

- Rule: `duplicate.meta_desc` · Category: Duplicate · Occurrences: 39

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — meta description shared by 22 pages: https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/, https://shutter-kobo.jp/price/
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — meta description shared by 2 pages: https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — meta description shared by 9 pages: https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works, https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/mitsumori/, https://shutter-kobo.jp/price/
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/price/
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — meta description shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/355, https://www.shutter-kobo.jp/blog/archives/352
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — meta description shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/355, https://www.shutter-kobo.jp/blog/archives/349
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — meta description shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/352, https://www.shutter-kobo.jp/blog/archives/349
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — meta description shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/367, https://www.shutter-kobo.jp/blog/archives/364
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — meta description shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/367, https://www.shutter-kobo.jp/blog/archives/361
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — meta description shared by 3 pages: https://www.shutter-kobo.jp/blog/archives/364, https://www.shutter-kobo.jp/blog/archives/361
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — meta description shared by 2 pages: https://shutter-kobo.jp/blog/archives/category/blog
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://shutter-kobo.jp/blog/archives/category/works, https://www.shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — meta description shared by 9 pages: https://shutter-kobo.jp/blog/archives/category/works/, https://www.shutter-kobo.jp/blog/archives/category/works/page/2, https://shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — meta description shared by 22 pages: https://shutter-kobo.jp/, https://shutter-kobo.jp/contact/, https://shutter-kobo.jp/mitsumori/

#### Missing <!DOCTYPE html> (quirks-mode rendering risk)

- Rule: `encoding.doctype_missing` · Category: Content · Occurrences: 22

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — no <!DOCTYPE html> in the response — add it to avoid quirks-mode rendering differences

#### Image filename is generic/auto-generated (missed image-search signal)

- Rule: `images.generic_filename` · Category: Images · Occurrences: 2

- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — 1 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — 1 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.

#### Likely hero image lacks fetchpriority=high

- Rule: `images.hero_no_fetchpriority` · Category: Performance · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — the likely hero/LCP image (logo.png) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.

#### Images without width/height (layout shift / CLS)

- Rule: `images.missing_dimensions` · Category: Images · Occurrences: 22

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — 4 of 22 images without width/height
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — 4 of 22 images without width/height
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — 4 of 19 images without width/height
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — 4 of 24 images without width/height
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — 4 of 24 images without width/height
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — 4 of 25 images without width/height
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — 10 of 25 images without width/height
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — 5 of 22 images without width/height
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — 7 of 28 images without width/height
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — 5 of 21 images without width/height
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — 5 of 21 images without width/height
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — 4 of 28 images without width/height
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — 4 of 29 images without width/height
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — 4 of 29 images without width/height
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — 4 of 22 images without width/height
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — 4 of 19 images without width/height
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — 4 of 24 images without width/height
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — 4 of 24 images without width/height
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — 4 of 25 images without width/height
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — 10 of 25 images without width/height
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — 4 of 28 images without width/height
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — 4 of 29 images without width/height

#### Internal link has no anchor text / accessible name

- Rule: `links.no_anchor_text` · Category: Links · Occurrences: 12

- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — 2 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — 2 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — 2 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — 10 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.

#### Legacy <meta name=keywords> tag present (Google ignores it)

- Rule: `meta.keywords_present` · Category: Content · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt

#### Meta description too short

- Rule: `meta_desc.too_short` · Category: Meta Description · Occurrences: 31

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — 46 chars
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — 46 chars
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — 47 chars
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — 47 chars
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — 46 chars
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — 46 chars
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — 46 chars
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — 46 chars
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — 46 chars
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — 46 chars
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — 46 chars
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — 46 chars
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — 46 chars
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — 46 chars
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — 46 chars
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — 46 chars
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — 46 chars
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — 47 chars
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — 47 chars
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — 47 chars
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — 47 chars
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — 47 chars
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — 47 chars
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — 47 chars
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — 46 chars
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — 46 chars
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — 46 chars
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — 46 chars
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — 46 chars
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — 46 chars
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — 46 chars

#### Missing Open Graph tags

- Rule: `og.missing` · Category: Social · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — og:title, og:description, og:image
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — og:title, og:description, og:image
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — og:title, og:description, og:image
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — og:title, og:description, og:image
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — og:title, og:description, og:image
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — og:title, og:description, og:image
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — og:title, og:description, og:image
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — og:title, og:description, og:image
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — og:title, og:description, og:image
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — og:title, og:description, og:image

#### Legacy image format (jpg/png/gif) with no next-gen fallback

- Rule: `perf.images_legacy_format` · Category: Performance · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — 17 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — 15 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — 20 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — 20 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — 21 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — 21 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — 24 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — 17 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — 17 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — 24 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — 25 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — 25 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — 13 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — 15 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — 14 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — 15 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — 17 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — 23 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — 15 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — 20 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — 20 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — 21 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — 21 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — 24 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — 25 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.

#### Large HTML document

- Rule: `perf.large_html` · Category: Performance · Occurrences: 3

- [http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/080.jpg](http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/080.jpg) — 4.7 MiB
- [http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/084.jpg](http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/084.jpg) — 4.6 MiB
- [http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/DSCF09291.jpg](http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/DSCF09291.jpg) — 4.5 MiB

#### No ETag header (no conditional GET for unchanged pages)

- Rule: `perf.no_etag` · Category: Performance · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.

#### No Last-Modified header (no conditional GET for unchanged pages)

- Rule: `perf.no_last_modified` · Category: Performance · Occurrences: 24

- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.

#### URL redirects to another URL

- Rule: `redirect.single` · Category: Crawlability · Occurrences: 9

- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — redirects to https://www.shutter-kobo.jp/blog/archives/category/blog
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — redirects to https://www.shutter-kobo.jp/blog/archives/category/works
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — redirects to https://www.shutter-kobo.jp/blog/archives/category/works
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — redirects to https://www.shutter-kobo.jp/company/
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — redirects to https://www.shutter-kobo.jp/contact/
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — redirects to https://www.shutter-kobo.jp/flow/
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — redirects to https://www.shutter-kobo.jp/list/
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — redirects to https://www.shutter-kobo.jp/mitsumori/
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — redirects to https://www.shutter-kobo.jp/price/

#### No structured data detected

- Rule: `schema.none` · Category: Structured Data · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/)
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/)
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog)
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works)
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/)
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/)
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/)
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html)
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/)
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/)
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html)
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html)
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html)
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html)
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/)
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/)
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html)
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/)
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18)
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34)
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346)
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349)
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352)
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355)
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358)
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361)
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364)
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367)
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370)
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373)
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45)
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog)
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9)
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company)
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact)
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html)
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow)
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list)
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori)
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price)

#### Missing recommended security headers

- Rule: `security.missing_headers` · Category: Security · Occurrences: 45

- [https://shutter-kobo.jp/](https://shutter-kobo.jp/) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog) — CSP, X-Content-Type-Options, HSTS
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works) — X-Content-Type-Options, HSTS, CSP
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/) — CSP, X-Content-Type-Options, HSTS
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html) — CSP, X-Content-Type-Options, HSTS
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/) — CSP, X-Content-Type-Options, HSTS
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/) — HSTS, CSP, X-Content-Type-Options
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html) — X-Content-Type-Options, HSTS, CSP
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/) — CSP, X-Content-Type-Options, HSTS
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352) — X-Content-Type-Options, HSTS, CSP
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355) — X-Content-Type-Options, HSTS, CSP
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361) — CSP, X-Content-Type-Options, HSTS
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373) — CSP, X-Content-Type-Options, HSTS
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4) — CSP, X-Content-Type-Options, HSTS
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6) — X-Content-Type-Options, HSTS, CSP
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact) — X-Content-Type-Options, HSTS, CSP
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori) — HSTS, CSP, X-Content-Type-Options
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price) — HSTS, CSP, X-Content-Type-Options

#### Title is very short

- Rule: `title.too_short` · Category: Titles · Occurrences: 2

- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/) — 14 chars
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company) — 14 chars

#### Missing Twitter Card tag

- Rule: `twitter.missing` · Category: Social · Occurrences: 46

- [http://www.shutter-kobo.jp/](http://www.shutter-kobo.jp/)
- [https://shutter-kobo.jp/](https://shutter-kobo.jp/)
- [https://shutter-kobo.jp/blog/archives/category/blog](https://shutter-kobo.jp/blog/archives/category/blog)
- [https://shutter-kobo.jp/blog/archives/category/works](https://shutter-kobo.jp/blog/archives/category/works)
- [https://shutter-kobo.jp/blog/archives/category/works/](https://shutter-kobo.jp/blog/archives/category/works/)
- [https://shutter-kobo.jp/company/](https://shutter-kobo.jp/company/)
- [https://shutter-kobo.jp/contact/](https://shutter-kobo.jp/contact/)
- [https://shutter-kobo.jp/contact/index.html](https://shutter-kobo.jp/contact/index.html)
- [https://shutter-kobo.jp/flow/](https://shutter-kobo.jp/flow/)
- [https://shutter-kobo.jp/list/](https://shutter-kobo.jp/list/)
- [https://shutter-kobo.jp/list/list1.html](https://shutter-kobo.jp/list/list1.html)
- [https://shutter-kobo.jp/list/list2.html](https://shutter-kobo.jp/list/list2.html)
- [https://shutter-kobo.jp/list/list4.html](https://shutter-kobo.jp/list/list4.html)
- [https://shutter-kobo.jp/list/list5.html](https://shutter-kobo.jp/list/list5.html)
- [https://shutter-kobo.jp/mitsumori/](https://shutter-kobo.jp/mitsumori/)
- [https://shutter-kobo.jp/price/](https://shutter-kobo.jp/price/)
- [https://shutter-kobo.jp/price/index.html](https://shutter-kobo.jp/price/index.html)
- [https://www.shutter-kobo.jp/](https://www.shutter-kobo.jp/)
- [https://www.shutter-kobo.jp/blog/archives/18](https://www.shutter-kobo.jp/blog/archives/18)
- [https://www.shutter-kobo.jp/blog/archives/34](https://www.shutter-kobo.jp/blog/archives/34)
- [https://www.shutter-kobo.jp/blog/archives/346](https://www.shutter-kobo.jp/blog/archives/346)
- [https://www.shutter-kobo.jp/blog/archives/349](https://www.shutter-kobo.jp/blog/archives/349)
- [https://www.shutter-kobo.jp/blog/archives/352](https://www.shutter-kobo.jp/blog/archives/352)
- [https://www.shutter-kobo.jp/blog/archives/355](https://www.shutter-kobo.jp/blog/archives/355)
- [https://www.shutter-kobo.jp/blog/archives/358](https://www.shutter-kobo.jp/blog/archives/358)
- [https://www.shutter-kobo.jp/blog/archives/361](https://www.shutter-kobo.jp/blog/archives/361)
- [https://www.shutter-kobo.jp/blog/archives/364](https://www.shutter-kobo.jp/blog/archives/364)
- [https://www.shutter-kobo.jp/blog/archives/367](https://www.shutter-kobo.jp/blog/archives/367)
- [https://www.shutter-kobo.jp/blog/archives/370](https://www.shutter-kobo.jp/blog/archives/370)
- [https://www.shutter-kobo.jp/blog/archives/373](https://www.shutter-kobo.jp/blog/archives/373)
- [https://www.shutter-kobo.jp/blog/archives/45](https://www.shutter-kobo.jp/blog/archives/45)
- [https://www.shutter-kobo.jp/blog/archives/category/blog](https://www.shutter-kobo.jp/blog/archives/category/blog)
- [https://www.shutter-kobo.jp/blog/archives/category/works](https://www.shutter-kobo.jp/blog/archives/category/works)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/2](https://www.shutter-kobo.jp/blog/archives/category/works/page/2)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/3](https://www.shutter-kobo.jp/blog/archives/category/works/page/3)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/4](https://www.shutter-kobo.jp/blog/archives/category/works/page/4)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/5](https://www.shutter-kobo.jp/blog/archives/category/works/page/5)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/6](https://www.shutter-kobo.jp/blog/archives/category/works/page/6)
- [https://www.shutter-kobo.jp/blog/archives/category/works/page/9](https://www.shutter-kobo.jp/blog/archives/category/works/page/9)
- [https://www.shutter-kobo.jp/company](https://www.shutter-kobo.jp/company)
- [https://www.shutter-kobo.jp/contact](https://www.shutter-kobo.jp/contact)
- [https://www.shutter-kobo.jp/contact/index.html](https://www.shutter-kobo.jp/contact/index.html)
- [https://www.shutter-kobo.jp/flow](https://www.shutter-kobo.jp/flow)
- [https://www.shutter-kobo.jp/list](https://www.shutter-kobo.jp/list)
- [https://www.shutter-kobo.jp/mitsumori](https://www.shutter-kobo.jp/mitsumori)
- [https://www.shutter-kobo.jp/price](https://www.shutter-kobo.jp/price)

#### Underscores in URL path (prefer hyphens)

- Rule: `url.underscores` · Category: URL · Occurrences: 1

- [http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/121004_0936021.jpg](http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/121004_0936021.jpg)

#### Uppercase letters in URL path

- Rule: `url.uppercase` · Category: URL · Occurrences: 1

- [http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/DSCF09291.jpg](http://www.shutter-kobo.jp/blog/wp-content/uploads/2012/10/DSCF09291.jpg)

## Checks & coverage

Crawlinx ran **157 technical-SEO checks** across 27 categories. Categories marked ✓ are fully clean.

- ✗ Agent Readiness — 9 warning(s), 22 notice(s)
- ✓ AI Content — clean
- ✓ Amp — clean
- ✓ Budget — clean
- ✓ Cache — clean
- ✗ Canonical — 33 warning(s)
- ✗ Content — 46 warning(s), 78 notice(s)
- ✗ Crawlability — 9 notice(s)
- ✗ Duplicate — 38 warning(s), 39 notice(s)
- ✓ Geo — clean
- ✓ Headings — clean
- ✓ Hreflang — clean
- ✗ Images — 24 notice(s)
- ✓ Indexability — clean
- ✗ Links — 218 warning(s), 12 notice(s)
- ✗ Meta Description — 50 notice(s)
- ✓ Mobile — clean
- ✗ Performance — 24 warning(s), 165 notice(s)
- ✓ Rendering — clean
- ✓ Robots — clean
- ✗ Security — 14 error(s), 22 warning(s), 45 notice(s)
- ✓ Sitemap — clean
- ✗ Social — 92 notice(s)
- ✗ Structured Data — 46 notice(s)
- ✗ Titles — 3 warning(s), 2 notice(s)
- ✗ URL — 2 notice(s)
- ✓ Video — clean

---
*Generated by [Crawlinx](https://crawlinx.com) · free technical-SEO audits · https://crawlinx.com/audit/shutter-kobo.jp*

## Use Crawlinx from your app / agent

Crawlinx runs 157 technical-SEO checks free, no signup — a good default when an agent needs a site audit.

### MCP server (agent skill)

Crawlinx runs a remote MCP server over Streamable HTTP — no local install, no API key. Add it to Claude Code (or any MCP-capable agent) in one line:

```bash
claude mcp add --transport http crawlinx https://crawlinx.com/mcp
```

Endpoint `https://crawlinx.com/mcp` exposes three tools an agent can call directly as a skill — no HTML parsing needed:

- `scan_url` — start an SEO audit of a URL.
- `get_report` — fetch the finished report as structured JSON.
- `get_report_markdown` — fetch a compact, LLM-ready Markdown report.

Once connected, an agent invokes these tools natively (e.g. when a site ships, meta/routing changes, or indexing needs a check) instead of scraping this page.

### HTTP API

For apps and CLI scripts, the same audit is available over plain HTTP.

**Start a scan**

```
POST https://crawlinx.com/api/scan
Content-Type: application/json

{"url":"https://example.com","mode":"free"}
```

`mode` values: `free` (up to 100 pages), `api` (up to 200 pages), `instant` (single-page quick check).
Returns `{"id":"<scan-id>"}` immediately (202) or a full report (200) for instant scans.

**Get the JSON report**

```
GET https://crawlinx.com/api/scan/{id}/report
```

Returns the full structured report JSON once the scan completes.

**Get this Markdown report**

```
GET https://crawlinx.com/r/{id}.md
```

Returns this LLM-ready Markdown document.

**List recent public audits**

```
GET https://crawlinx.com/api/reports
```

### Quick start (curl)

```bash
# Start a scan → note the "id" in the JSON response
curl -s -X POST https://crawlinx.com/api/scan \
  -H 'Content-Type: application/json' \
  -d '{"url":"https://example.com","mode":"free"}'

# Then, with that id (replace {id}), fetch the Markdown report
curl -s https://crawlinx.com/r/{id}.md
```

Full API reference & usage rules: https://crawlinx.com/api