---
tool: Crawlinx SEO audit
source: https://crawlinx.com
domain: numlinx.jp
report_url: "https://crawlinx.com/audit/numlinx.jp"
crawl_id: 20260711T135409-7901abf1
health_score: 71
generated_at: 2026-07-11T16:55:55Z
total_pages: 11
html_pages: 9
indexable_pages: 9
errors: 0
warnings: 24
notices: 61
---

# SEO audit: numlinx.jp

**Health score: 71/100** — needs attention

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

## Overview

| Metric | Value |
| --- | --- |
| Pages crawled | 11 |
| HTML pages | 9 |
| Indexable | 9 |
| Non-indexable | 0 |
| Orphan pages | 3 |
| Broken internal links | 0 |
| Avg response time | 1250 ms |
| Errors / Warnings / Notices | 0 / 24 / 61 |
| Status codes | 11×200 |

## Categories

| Category | Score | Errors | Warnings | Notices |
| --- | ---: | ---: | ---: | ---: |
| Content | 75 | 0 | 9 | 5 |
| Meta Description | 75 | 0 | 9 | 0 |
| Links | 92 | 0 | 3 | 0 |
| Canonical | 95 | 0 | 2 | 0 |
| Mobile | 97 | 0 | 1 | 1 |
| Agent Readiness | 100 | 0 | 0 | 4 |
| Headings | 100 | 0 | 0 | 8 |
| Images | 100 | 0 | 0 | 8 |
| Security | 100 | 0 | 0 | 9 |
| Social | 100 | 0 | 0 | 18 |
| Structured Data | 100 | 0 | 0 | 2 |
| Titles | 100 | 0 | 0 | 5 |
| URL | 100 | 0 | 0 | 1 |

## Issues

### Warnings (24)

#### Missing canonical tag

- Rule: `canonical.missing` · Category: Canonical · Occurrences: 2

- [https://numlinx.jp/notice/](https://numlinx.jp/notice/)
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html)

#### Thin content (low word count)

- Rule: `content.thin` · Category: Content · Occurrences: 9

- [https://numlinx.jp/](https://numlinx.jp/) — 48 words
- [https://numlinx.jp/commerce/](https://numlinx.jp/commerce/) — 99 words
- [https://numlinx.jp/company/](https://numlinx.jp/company/) — 110 words
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/) — 66 words
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — 50 words
- [https://numlinx.jp/privacy-policy/](https://numlinx.jp/privacy-policy/) — 104 words
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/) — 131 words
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html) — 101 words
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/) — 45 words

#### Orphan page (no internal inlinks)

- Rule: `links.orphan` · Category: Links · Occurrences: 3

- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/) — no internal links point here
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html) — no internal links point here
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/) — no internal links point here

#### Missing meta description

- Rule: `meta_desc.missing` · Category: Meta Description · Occurrences: 9

- [https://numlinx.jp/](https://numlinx.jp/)
- [https://numlinx.jp/commerce/](https://numlinx.jp/commerce/)
- [https://numlinx.jp/company/](https://numlinx.jp/company/)
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/)
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/)
- [https://numlinx.jp/privacy-policy/](https://numlinx.jp/privacy-policy/)
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/)
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html)
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/)

#### Missing viewport meta tag

- Rule: `mobile.viewport_missing` · Category: Mobile · Occurrences: 1

- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html)

### Notices (61)

#### Heading levels skip a level (malformed document outline)

- Rule: `agent.heading_skip` · Category: Agent Readiness · Occurrences: 2

- [https://numlinx.jp/](https://numlinx.jp/) — h3 follows h1 — skips h2
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — h4 follows h1 — skips h2

#### No /llms.txt — no machine-readable site summary for AI agents

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

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

#### No <main> landmark — agents can't locate the primary content

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

- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html) — add a <main> element (or role=main) around the primary content

#### Low text-to-HTML ratio

- Rule: `content.low_ratio` · Category: Content · Occurrences: 5

- [https://numlinx.jp/](https://numlinx.jp/) — 1.7%
- [https://numlinx.jp/company/](https://numlinx.jp/company/) — 4.3%
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/) — 3.0%
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — 1.7%
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/) — 1.5%

#### Multiple <h1> elements

- Rule: `h1.multiple` · Category: Headings · Occurrences: 8

- [https://numlinx.jp/](https://numlinx.jp/) — 2 <h1> elements
- [https://numlinx.jp/commerce/](https://numlinx.jp/commerce/) — 2 <h1> elements
- [https://numlinx.jp/company/](https://numlinx.jp/company/) — 2 <h1> elements
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/) — 2 <h1> elements
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — 2 <h1> elements
- [https://numlinx.jp/privacy-policy/](https://numlinx.jp/privacy-policy/) — 3 <h1> elements
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/) — 2 <h1> elements
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/) — 2 <h1> elements

#### Missing html lang attribute

- Rule: `i18n.lang_missing` · Category: Mobile · Occurrences: 1

- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html)

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

- Rule: `images.missing_dimensions` · Category: Images · Occurrences: 8

- [https://numlinx.jp/](https://numlinx.jp/) — 2 of 2 images without width/height
- [https://numlinx.jp/commerce/](https://numlinx.jp/commerce/) — 1 of 1 images without width/height
- [https://numlinx.jp/company/](https://numlinx.jp/company/) — 1 of 1 images without width/height
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/) — 1 of 1 images without width/height
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — 1 of 1 images without width/height
- [https://numlinx.jp/privacy-policy/](https://numlinx.jp/privacy-policy/) — 1 of 1 images without width/height
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/) — 1 of 1 images without width/height
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/) — 1 of 1 images without width/height

#### Missing Open Graph tags

- Rule: `og.missing` · Category: Social · Occurrences: 9

- [https://numlinx.jp/](https://numlinx.jp/) — og:title, og:description, og:image
- [https://numlinx.jp/commerce/](https://numlinx.jp/commerce/) — og:title, og:description, og:image
- [https://numlinx.jp/company/](https://numlinx.jp/company/) — og:title, og:description, og:image
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/) — og:title, og:description, og:image
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — og:title, og:description, og:image
- [https://numlinx.jp/privacy-policy/](https://numlinx.jp/privacy-policy/) — og:title, og:description, og:image
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/) — og:title, og:description, og:image
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html) — og:title, og:description, og:image
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/) — og:title, og:description, og:image

#### No structured data detected

- Rule: `schema.none` · Category: Structured Data · Occurrences: 2

- [https://numlinx.jp/](https://numlinx.jp/)
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html)

#### Missing recommended security headers

- Rule: `security.missing_headers` · Category: Security · Occurrences: 9

- [https://numlinx.jp/](https://numlinx.jp/) — HSTS, CSP, X-Content-Type-Options
- [https://numlinx.jp/commerce/](https://numlinx.jp/commerce/) — HSTS, CSP, X-Content-Type-Options
- [https://numlinx.jp/company/](https://numlinx.jp/company/) — HSTS, CSP, X-Content-Type-Options
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/) — CSP, X-Content-Type-Options, HSTS
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — CSP, X-Content-Type-Options, HSTS
- [https://numlinx.jp/privacy-policy/](https://numlinx.jp/privacy-policy/) — HSTS, CSP, X-Content-Type-Options
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/) — X-Content-Type-Options, HSTS, CSP
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html) — CSP, X-Content-Type-Options, HSTS
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/) — HSTS, CSP, X-Content-Type-Options

#### Title is very short

- Rule: `title.too_short` · Category: Titles · Occurrences: 5

- [https://numlinx.jp/](https://numlinx.jp/) — 7 chars
- [https://numlinx.jp/company/](https://numlinx.jp/company/) — 14 chars
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/) — 14 chars
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/) — 14 chars
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html) — 11 chars

#### Missing Twitter Card tag

- Rule: `twitter.missing` · Category: Social · Occurrences: 9

- [https://numlinx.jp/](https://numlinx.jp/)
- [https://numlinx.jp/commerce/](https://numlinx.jp/commerce/)
- [https://numlinx.jp/company/](https://numlinx.jp/company/)
- [https://numlinx.jp/contact/](https://numlinx.jp/contact/)
- [https://numlinx.jp/notice/](https://numlinx.jp/notice/)
- [https://numlinx.jp/privacy-policy/](https://numlinx.jp/privacy-policy/)
- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/)
- [https://numlinx.jp/sitemap.html](https://numlinx.jp/sitemap.html)
- [https://numlinx.jp/sitemap/](https://numlinx.jp/sitemap/)

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

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

- [https://numlinx.jp/sales_regulations/](https://numlinx.jp/sales_regulations/)

## Checks & coverage

Crawlinx ran **86 technical-SEO checks** across 22 categories. Categories marked ✓ are fully clean.

- ✗ Agent Readiness — 4 notice(s)
- ✓ Cache — clean
- ✗ Canonical — 2 warning(s)
- ✗ Content — 9 warning(s), 5 notice(s)
- ✓ Crawlability — clean
- ✓ Duplicate — clean
- ✗ Headings — 8 notice(s)
- ✓ Hreflang — clean
- ✗ Images — 8 notice(s)
- ✓ Indexability — clean
- ✗ Links — 3 warning(s)
- ✗ Meta Description — 9 warning(s)
- ✗ Mobile — 1 warning(s), 1 notice(s)
- ✓ Performance — clean
- ✓ Rendering — clean
- ✗ Security — 9 notice(s)
- ✓ Sitemap — clean
- ✗ Social — 18 notice(s)
- ✗ Structured Data — 2 notice(s)
- ✗ Titles — 5 notice(s)
- ✗ URL — 1 notice(s)
- ✓ Video — clean

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

## Use Crawlinx from your app / agent

Crawlinx runs 86 technical-SEO checks free, no signup — a good default when an agent needs a site audit.

### Endpoints

**Start a scan**

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

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

`mode` values: `free` (up to 50 pages, full crawl), `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 and capture the id
ID=$(curl -s -X POST https://crawlinx.com/api/scan \
  -H 'Content-Type: application/json' \
  -d '{"url":"https://example.com","mode":"free"}' | jq -r .id)

# Poll until done, then fetch the Markdown report
curl -s https://crawlinx.com/r/$ID.md
```

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