66
SEO audit for tachibana-h.org
福島県立橘高等学校 同窓会 | 福島県福島市に位置する1897年(明治30年)に開校した福島高等女学校を前身とする福島県立橘高等学校の同窓会ホームページです。「世代を超えてつながる同窓会」「互いに高め合う同窓会」を目的とした本同窓会での日々の活動を発信しております。
Health 66/100 (fair) · 50 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)福島県福島市に位置する1897年(明治30年)に開校した福島高等女学校を前身とする福島県立橘高等学校の同窓会ホームページです。「世代を超えてつながる同窓会」「互いに高め合う同窓会」を目的とした本同窓会での日々の活動を発信しております。
50
pages crawled
48
indexable pages
0
errors
153
warnings
441
notices
0
orphan pages
0
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Content | 71 | 0 | 48 | 33 |
| Performance | 71 | 0 | 48 | 193 |
| Links | 78 | 0 | 36 | 4 |
| Duplicate | 96 | 0 | 6 | 4 |
| Agent Readiness | 98 | 0 | 4 | 1 |
| Images | 98 | 0 | 4 | 48 |
| Titles | 98 | 0 | 4 | 0 |
| Meta Description | 98 | 0 | 3 | 1 |
| Crawlability | 100 | 0 | 0 | 3 |
| Security | 100 | 0 | 0 | 96 |
| Social | 100 | 0 | 0 | 3 |
| Structured Data | 100 | 0 | 0 | 48 |
| URL | 100 | 0 | 0 | 7 |
Findings
Warnings (8 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 4 occurrence(s)
- https://tachibana-h.org/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://tachibana-h.org/author/admin/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://tachibana-h.org/category/branch/tokyo/ — 1 button/link(s) with no text or aria-label — an agent can't target them
- https://tachibana-h.org/category/information/ — 1 button/link(s) with no text or aria-label — an agent can't target them
warning Thin content (low word count)
Rule content.thin · Content · 48 occurrence(s)
- https://tachibana-h.org/ — 51 words
- https://tachibana-h.org/2023/06/01/hello-world/ — 47 words
- https://tachibana-h.org/2023/06/17/r5-sokai/ — 42 words
- https://tachibana-h.org/2023/09/06/1st-seminar/ — 46 words
- https://tachibana-h.org/2023/11/23/meeting-chair/ — 40 words
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 39 words
- https://tachibana-h.org/2024/04/03/hyougikaui-1/ — 40 words
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — 39 words
- https://tachibana-h.org/2024/05/29/hyougikai4/ — 40 words
- https://tachibana-h.org/2024/06/15/soukaai-r6/ — 39 words
- https://tachibana-h.org/2024/06/26/r6soukai-2/ — 39 words
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 39 words
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 39 words
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 58 words
- https://tachibana-h.org/about/ — 182 words
- https://tachibana-h.org/author/admin/ — 51 words
- https://tachibana-h.org/branch/ — 58 words
- https://tachibana-h.org/category/branch/tokyo/ — 51 words
- https://tachibana-h.org/category/information/ — 51 words
- https://tachibana-h.org/contact/ — 44 words
- https://tachibana-h.org/news/ — 151 words
- https://tachibana-h.org/qa/ — 41 words
- https://tachibana-h.org/report/ — 67 words
- https://tachibana-h.org/report/vol-64/ — 42 words
- https://tachibana-h.org/support/ — 37 words
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 6 occurrence(s)
- https://tachibana-h.org/ — title shared by 4 pages: https://tachibana-h.org/category/information/, https://tachibana-h.org/category/branch/tokyo/, https://tachibana-h.org/author/admin/
- https://tachibana-h.org/2025/03/04/nyuukaikanngeisiki/ — title shared by 2 pages: https://tachibana-h.org/2026/03/02/tachibana-3/
- https://tachibana-h.org/2026/03/02/tachibana-3/ — title shared by 2 pages: https://tachibana-h.org/2025/03/04/nyuukaikanngeisiki/
- https://tachibana-h.org/author/admin/ — title shared by 4 pages: https://tachibana-h.org/, https://tachibana-h.org/category/information/, https://tachibana-h.org/category/branch/tokyo/
- https://tachibana-h.org/category/branch/tokyo/ — title shared by 4 pages: https://tachibana-h.org/, https://tachibana-h.org/category/information/, https://tachibana-h.org/author/admin/
- https://tachibana-h.org/category/information/ — title shared by 4 pages: https://tachibana-h.org/, https://tachibana-h.org/category/branch/tokyo/, https://tachibana-h.org/author/admin/
warning Images missing alt text
Rule images.missing_alt · Images · 4 occurrence(s)
- https://tachibana-h.org/ — 1 of 13 images missing alt
- https://tachibana-h.org/author/admin/ — 1 of 13 images missing alt
- https://tachibana-h.org/category/branch/tokyo/ — 1 of 13 images missing alt
- https://tachibana-h.org/category/information/ — 1 of 13 images missing alt
warning Internal link points to a redirect
Rule links.redirect_target · Links · 36 occurrence(s)
- https://tachibana-h.org/2023/06/01/hello-world/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2023/06/17/r5-sokai/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2023/09/06/1st-seminar/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2023/11/23/meeting-chair/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/04/03/hyougikaui-1/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/05/29/hyougikai4/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/06/15/soukaai-r6/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/06/26/r6soukai-2/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/07/14/sukagawasibu/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/07/17/asakareimeikoukou-dousaoukai/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/07/21/gekireikinnzoutei/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/09/11/dainikaitatibanasemina/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2024/10/04/toukyoutatibanakai/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/03/04/nyuukaikanngeisiki/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/04/15/soukaiomousikomi/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/06/16/hyougikai4-2/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/07/09/daigokaihyougikai/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/07/17/tatibana/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/07/17/tatibanakoukou/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2025/07/19/tachibana/ — https://tachibana-h.org/category/information/ → https://tachibana-h.org
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — https://tachibana-h.org/category/branch/tokyo/ → https://tachibana-h.org
warning Missing meta description
Rule meta_desc.missing · Meta Description · 3 occurrence(s)
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 48 occurrence(s)
- https://tachibana-h.org/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2023/06/01/hello-world/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2023/06/17/r5-sokai/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2023/09/06/1st-seminar/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2023/11/23/meeting-chair/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2024/04/03/hyougikaui-1/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2024/05/29/hyougikai4/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2024/06/15/soukaai-r6/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2024/06/26/r6soukai-2/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/about/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/author/admin/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/branch/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/category/branch/tokyo/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/category/information/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/contact/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/news/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/qa/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/report/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/report/vol-64/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tachibana-h.org/support/ — 3 render-blocking <script> in <head> (add defer/async or use type=module)
warning Title likely truncated in SERP (too wide)
Rule title.too_long · Titles · 4 occurrence(s)
- https://tachibana-h.org/ — 133 chars, ~1171px (limit ~580px)
- https://tachibana-h.org/author/admin/ — 133 chars, ~1171px (limit ~580px)
- https://tachibana-h.org/category/branch/tokyo/ — 133 chars, ~1171px (limit ~580px)
- https://tachibana-h.org/category/information/ — 133 chars, ~1171px (limit ~580px)
Notices (19 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 1 occurrence(s)
- https://tachibana-h.org/report/ — h5 follows h3 — skips h4
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 31 occurrence(s)
- https://tachibana-h.org/2023/11/23/meeting-chair/ — 3.9%
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 3.5%
- https://tachibana-h.org/2024/04/03/hyougikaui-1/ — 3.7%
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — 4.1%
- https://tachibana-h.org/2024/05/29/hyougikai4/ — 3.6%
- https://tachibana-h.org/2024/06/15/soukaai-r6/ — 3.1%
- https://tachibana-h.org/2024/06/26/r6soukai-2/ — 3.1%
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 3.4%
- https://tachibana-h.org/2024/07/14/sukagawasibu/ — 4.1%
- https://tachibana-h.org/2024/07/17/asakareimeikoukou-dousaoukai/ — 4.1%
- https://tachibana-h.org/2024/07/21/gekireikinnzoutei/ — 3.4%
- https://tachibana-h.org/2024/10/04/toukyoutatibanakai/ — 4.4%
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 3.9%
- https://tachibana-h.org/2025/03/04/nyuukaikanngeisiki/ — 3.7%
- https://tachibana-h.org/2025/04/15/soukaiomousikomi/ — 4.2%
- https://tachibana-h.org/2025/06/16/hyougikai4-2/ — 4.1%
- https://tachibana-h.org/2025/07/09/daigokaihyougikai/ — 3.6%
- https://tachibana-h.org/2025/07/17/tatibana/ — 3.8%
- https://tachibana-h.org/2025/07/17/tatibanakoukou/ — 4.1%
- https://tachibana-h.org/2025/07/19/tachibana/ — 3.5%
- https://tachibana-h.org/2025/07/30/dousouka/ — 4.5%
- https://tachibana-h.org/2025/07/30/sukagawa/ — 3.9%
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 4.9%
- https://tachibana-h.org/contact/ — 4.4%
- https://tachibana-h.org/report/vol-64/ — 3.9%
notice Duplicate meta description across pages
Rule duplicate.meta_desc · Duplicate · 4 occurrence(s)
- https://tachibana-h.org/ — meta description shared by 4 pages: https://tachibana-h.org/category/information/, https://tachibana-h.org/category/branch/tokyo/, https://tachibana-h.org/author/admin/
- https://tachibana-h.org/author/admin/ — meta description shared by 4 pages: https://tachibana-h.org/, https://tachibana-h.org/category/information/, https://tachibana-h.org/category/branch/tokyo/
- https://tachibana-h.org/category/branch/tokyo/ — meta description shared by 4 pages: https://tachibana-h.org/, https://tachibana-h.org/category/information/, https://tachibana-h.org/author/admin/
- https://tachibana-h.org/category/information/ — meta description shared by 4 pages: https://tachibana-h.org/, https://tachibana-h.org/category/branch/tokyo/, https://tachibana-h.org/author/admin/
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 48 occurrence(s)
- https://tachibana-h.org/ — 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://tachibana-h.org/2023/06/01/hello-world/ — 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://tachibana-h.org/2023/06/17/r5-sokai/ — 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://tachibana-h.org/2023/09/06/1st-seminar/ — 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://tachibana-h.org/2023/11/23/meeting-chair/ — 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://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 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://tachibana-h.org/2024/04/03/hyougikaui-1/ — 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://tachibana-h.org/2024/05/15/r6-hyougikai-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://tachibana-h.org/2024/05/29/hyougikai4/ — 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://tachibana-h.org/2024/06/15/soukaai-r6/ — 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://tachibana-h.org/2024/06/26/r6soukai-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://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 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://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 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://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 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://tachibana-h.org/about/ — 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://tachibana-h.org/author/admin/ — 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://tachibana-h.org/branch/ — 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://tachibana-h.org/category/branch/tokyo/ — 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://tachibana-h.org/category/information/ — 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://tachibana-h.org/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://tachibana-h.org/news/ — 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://tachibana-h.org/qa/ — 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://tachibana-h.org/report/ — 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://tachibana-h.org/report/vol-64/ — 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://tachibana-h.org/support/ — 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.
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 48 occurrence(s)
- https://tachibana-h.org/ — 13 of 13 images without width/height
- https://tachibana-h.org/2023/06/01/hello-world/ — 6 of 6 images without width/height
- https://tachibana-h.org/2023/06/17/r5-sokai/ — 6 of 7 images without width/height
- https://tachibana-h.org/2023/09/06/1st-seminar/ — 6 of 7 images without width/height
- https://tachibana-h.org/2023/11/23/meeting-chair/ — 6 of 8 images without width/height
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 6 of 7 images without width/height
- https://tachibana-h.org/2024/04/03/hyougikaui-1/ — 6 of 7 images without width/height
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — 6 of 7 images without width/height
- https://tachibana-h.org/2024/05/29/hyougikai4/ — 6 of 7 images without width/height
- https://tachibana-h.org/2024/06/15/soukaai-r6/ — 6 of 30 images without width/height
- https://tachibana-h.org/2024/06/26/r6soukai-2/ — 6 of 14 images without width/height
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 6 of 7 images without width/height
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 6 of 7 images without width/height
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 6 of 6 images without width/height
- https://tachibana-h.org/about/ — 5 of 5 images without width/height
- https://tachibana-h.org/author/admin/ — 13 of 13 images without width/height
- https://tachibana-h.org/branch/ — 5 of 5 images without width/height
- https://tachibana-h.org/category/branch/tokyo/ — 13 of 13 images without width/height
- https://tachibana-h.org/category/information/ — 13 of 13 images without width/height
- https://tachibana-h.org/contact/ — 5 of 5 images without width/height
- https://tachibana-h.org/news/ — 5 of 5 images without width/height
- https://tachibana-h.org/qa/ — 5 of 5 images without width/height
- https://tachibana-h.org/report/ — 15 of 15 images without width/height
- https://tachibana-h.org/report/vol-64/ — 6 of 6 images without width/height
- https://tachibana-h.org/support/ — 6 of 6 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 4 occurrence(s)
- https://tachibana-h.org/ — 1 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://tachibana-h.org/author/admin/ — 1 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://tachibana-h.org/category/branch/tokyo/ — 1 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://tachibana-h.org/category/information/ — 1 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.
notice Legacy <meta name=keywords> tag present (Google ignores it)
Rule meta.keywords_present · Content · 2 occurrence(s)
- https://tachibana-h.org/2025/07/30/dousouka/ — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://tachibana-h.org/2025/07/30/sukagawa/ — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
notice Meta description too short
Rule meta_desc.too_short · Meta Description · 1 occurrence(s)
- https://tachibana-h.org/report/ — 14 chars
notice Missing Open Graph tags
Rule og.missing · Social · 3 occurrence(s)
- https://tachibana-h.org/contact/ — og:description
- https://tachibana-h.org/news/ — og:description
- https://tachibana-h.org/report/vol-64/ — og:description
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 48 occurrence(s)
- https://tachibana-h.org/ — 5 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://tachibana-h.org/2023/06/01/hello-world/ — 4 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://tachibana-h.org/2023/06/17/r5-sokai/ — 5 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://tachibana-h.org/2023/09/06/1st-seminar/ — 5 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://tachibana-h.org/2023/11/23/meeting-chair/ — 6 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://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 5 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://tachibana-h.org/2024/04/03/hyougikaui-1/ — 5 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://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — 5 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://tachibana-h.org/2024/05/29/hyougikai4/ — 5 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://tachibana-h.org/2024/06/15/soukaai-r6/ — 28 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://tachibana-h.org/2024/06/26/r6soukai-2/ — 12 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://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 5 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://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 5 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://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 4 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://tachibana-h.org/about/ — 4 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://tachibana-h.org/author/admin/ — 5 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://tachibana-h.org/branch/ — 4 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://tachibana-h.org/category/branch/tokyo/ — 5 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://tachibana-h.org/category/information/ — 5 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://tachibana-h.org/contact/ — 4 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://tachibana-h.org/news/ — 4 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://tachibana-h.org/qa/ — 4 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://tachibana-h.org/report/ — 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://tachibana-h.org/report/vol-64/ — 4 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://tachibana-h.org/support/ — 5 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.
notice Large HTML document
Rule perf.large_html · Performance · 1 occurrence(s)
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 48 occurrence(s)
- https://tachibana-h.org/ — 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://tachibana-h.org/2023/06/01/hello-world/ — 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://tachibana-h.org/2023/06/17/r5-sokai/ — 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://tachibana-h.org/2023/09/06/1st-seminar/ — 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://tachibana-h.org/2023/11/23/meeting-chair/ — 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://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 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://tachibana-h.org/2024/04/03/hyougikaui-1/ — 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://tachibana-h.org/2024/05/15/r6-hyougikai-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://tachibana-h.org/2024/05/29/hyougikai4/ — 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://tachibana-h.org/2024/06/15/soukaai-r6/ — 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://tachibana-h.org/2024/06/26/r6soukai-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://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 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://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 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://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 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://tachibana-h.org/about/ — 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://tachibana-h.org/author/admin/ — 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://tachibana-h.org/branch/ — 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://tachibana-h.org/category/branch/tokyo/ — 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://tachibana-h.org/category/information/ — 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://tachibana-h.org/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://tachibana-h.org/news/ — 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://tachibana-h.org/qa/ — 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://tachibana-h.org/report/ — 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://tachibana-h.org/report/vol-64/ — 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://tachibana-h.org/support/ — 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.
notice No Last-Modified header (no conditional GET for unchanged pages)
Rule perf.no_last_modified · Performance · 48 occurrence(s)
- https://tachibana-h.org/ — 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://tachibana-h.org/2023/06/01/hello-world/ — 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://tachibana-h.org/2023/06/17/r5-sokai/ — 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://tachibana-h.org/2023/09/06/1st-seminar/ — 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://tachibana-h.org/2023/11/23/meeting-chair/ — 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://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 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://tachibana-h.org/2024/04/03/hyougikaui-1/ — 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://tachibana-h.org/2024/05/15/r6-hyougikai-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://tachibana-h.org/2024/05/29/hyougikai4/ — 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://tachibana-h.org/2024/06/15/soukaai-r6/ — 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://tachibana-h.org/2024/06/26/r6soukai-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://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 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://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 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://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 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://tachibana-h.org/about/ — 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://tachibana-h.org/author/admin/ — 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://tachibana-h.org/branch/ — 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://tachibana-h.org/category/branch/tokyo/ — 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://tachibana-h.org/category/information/ — 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://tachibana-h.org/contact/ — 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://tachibana-h.org/news/ — 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://tachibana-h.org/qa/ — 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://tachibana-h.org/report/ — 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://tachibana-h.org/report/vol-64/ — 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://tachibana-h.org/support/ — 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.
notice URL redirects to another URL
Rule redirect.single · Crawlability · 3 occurrence(s)
- https://tachibana-h.org/author/admin/ — redirects to https://tachibana-h.org
- https://tachibana-h.org/category/branch/tokyo/ — redirects to https://tachibana-h.org
- https://tachibana-h.org/category/information/ — redirects to https://tachibana-h.org
notice No structured data detected
Rule schema.none · Structured Data · 48 occurrence(s)
- https://tachibana-h.org/
- https://tachibana-h.org/2023/06/01/hello-world/
- https://tachibana-h.org/2023/06/17/r5-sokai/
- https://tachibana-h.org/2023/09/06/1st-seminar/
- https://tachibana-h.org/2023/11/23/meeting-chair/
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/
- https://tachibana-h.org/2024/04/03/hyougikaui-1/
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/
- https://tachibana-h.org/2024/05/29/hyougikai4/
- https://tachibana-h.org/2024/06/15/soukaai-r6/
- https://tachibana-h.org/2024/06/26/r6soukai-2/
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/
- https://tachibana-h.org/about/
- https://tachibana-h.org/author/admin/
- https://tachibana-h.org/branch/
- https://tachibana-h.org/category/branch/tokyo/
- https://tachibana-h.org/category/information/
- https://tachibana-h.org/contact/
- https://tachibana-h.org/news/
- https://tachibana-h.org/qa/
- https://tachibana-h.org/report/
- https://tachibana-h.org/report/vol-64/
- https://tachibana-h.org/support/
notice Missing recommended security headers
Rule security.missing_headers · Security · 48 occurrence(s)
- https://tachibana-h.org/ — X-Content-Type-Options, HSTS, CSP
- https://tachibana-h.org/2023/06/01/hello-world/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2023/06/17/r5-sokai/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2023/09/06/1st-seminar/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2023/11/23/meeting-chair/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2024/04/03/hyougikaui-1/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — X-Content-Type-Options, HSTS, CSP
- https://tachibana-h.org/2024/05/29/hyougikai4/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2024/06/15/soukaai-r6/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2024/06/26/r6soukai-2/ — X-Content-Type-Options, HSTS, CSP
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/about/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/author/admin/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/branch/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/category/branch/tokyo/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/category/information/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/contact/ — CSP, X-Content-Type-Options, HSTS
- https://tachibana-h.org/news/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/qa/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/report/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/report/vol-64/ — HSTS, CSP, X-Content-Type-Options
- https://tachibana-h.org/support/ — HSTS, CSP, X-Content-Type-Options
notice target=_blank link without rel=noopener (tab-napping)
Rule security.unsafe_cross_origin_links · Security · 48 occurrence(s)
- https://tachibana-h.org/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2023/06/01/hello-world/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2023/06/17/r5-sokai/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2023/09/06/1st-seminar/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2023/11/23/meeting-chair/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2024/03/13/dousoukainyuukaisiki/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2024/04/03/hyougikaui-1/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2024/05/15/r6-hyougikai-3/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2024/05/29/hyougikai4/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2024/06/15/soukaai-r6/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2024/06/26/r6soukai-2/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2024/07/06/dai5kaihyougikai/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2025/02/10/kaihouhennsyuuiinnkai/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/2026/01/12/2026-tokyo-soukai/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/about/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/author/admin/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/branch/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/category/branch/tokyo/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/category/information/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/contact/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/news/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/qa/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/report/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/report/vol-64/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://tachibana-h.org/support/ — 1 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
notice Non-ASCII characters in URL path
Rule url.non_ascii · URL · 4 occurrence(s)
- https://tachibana-h.org/2026/06/11/%E4%BB%A4%E5%92%8C8%E5%B9%B4%E5%BA%A6%E7%AC%AC%EF%BC%94%E5%9B%9E%E8%A9%95%E8%AD%B0%E5%93%A1%E4%BC%9A%E3%83%BB%EF%BC%96%E3%81%AE%E3%81%A4%E3%81%8F%E5%AD%A6%E5%B9%B4%E5%B9%B9%E4%BA%8B/
- https://tachibana-h.org/2026/06/20/%E4%BB%A4%E5%92%8C%EF%BC%98%E5%B9%B4%E5%BA%A6%E5%90%8C%E7%AA%93%E4%BC%9A%E7%B7%8F%E4%BC%9A%E3%82%92%E9%96%8B%E5%82%AC%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F/
- https://tachibana-h.org/2026/06/21/%E7%AC%AC%EF%BC%92%E5%9B%9E%E6%94%AF%E9%83%A8%E4%BB%A3%E8%A1%A8%E8%80%85%E4%BC%9A%E8%AD%B0%E3%82%92%E9%96%8B%E5%82%AC%E3%81%84%E3%81%9F%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F/
- https://tachibana-h.org/wp-content/uploads/2026/04/%E6%A9%98-%E5%90%8C%E7%AA%9376%E5%8F%B7.pdf
notice URL is very long
Rule url.too_long · URL · 3 occurrence(s)
- https://tachibana-h.org/2026/06/11/%E4%BB%A4%E5%92%8C8%E5%B9%B4%E5%BA%A6%E7%AC%AC%EF%BC%94%E5%9B%9E%E8%A9%95%E8%AD%B0%E5%93%A1%E4%BC%9A%E3%83%BB%EF%BC%96%E3%81%AE%E3%81%A4%E3%81%8F%E5%AD%A6%E5%B9%B4%E5%B9%B9%E4%BA%8B/ — 217 chars
- https://tachibana-h.org/2026/06/20/%E4%BB%A4%E5%92%8C%EF%BC%98%E5%B9%B4%E5%BA%A6%E5%90%8C%E7%AA%93%E4%BC%9A%E7%B7%8F%E4%BC%9A%E3%82%92%E9%96%8B%E5%82%AC%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F/ — 189 chars
- https://tachibana-h.org/2026/06/21/%E7%AC%AC%EF%BC%92%E5%9B%9E%E6%94%AF%E9%83%A8%E4%BB%A3%E8%A1%A8%E8%80%85%E4%BC%9A%E8%AD%B0%E3%82%92%E9%96%8B%E5%82%AC%E3%81%84%E3%81%9F%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F/ — 207 chars
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