76
SEO audit for tantoro.jp
仙台名物炭焼き牛たん たんとろ
Health 76/100 (good) · 8 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)仙台空港の近くに店を構える牛たん焼き専門店たんとろ、炭火焼きにこだわって焼き上げています。じっくり煮込んだテールスープも当店の人気メニューです。真空パックしたお土産牛たんの通信販売もしています。
8
pages crawled
5
indexable pages
0
errors
26
warnings
55
notices
0
orphan pages
0
broken links
Category breakdown
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Canonical | 81 | 0 | 5 | 0 |
| Content | 81 | 0 | 5 | 5 |
| Performance | 81 | 0 | 5 | 10 |
| Security | 81 | 0 | 5 | 10 |
| Duplicate | 89 | 0 | 3 | 5 |
| Mobile | 89 | 0 | 3 | 0 |
| Agent Readiness | 100 | 0 | 0 | 3 |
| Images | 100 | 0 | 0 | 3 |
| Robots | 100 | 0 | 0 | 1 |
| Social | 100 | 0 | 0 | 10 |
| Structured Data | 100 | 0 | 0 | 5 |
| URL | 100 | 0 | 0 | 3 |
Findings
Warnings (7 rules)
warning Missing canonical tag
Rule canonical.missing · Canonical · 5 occurrence(s)
warning Thin content (low word count)
Rule content.thin · Content · 5 occurrence(s)
- https://tantoro.jp/ — 59 words
- https://tantoro.jp/access.html — 42 words
- https://tantoro.jp/concept.html — 22 words
- https://tantoro.jp/index.html — 59 words
- https://tantoro.jp/menu.html — 16 words
warning Homepage duplicated across protocol/host variants (no redirect)
Rule duplicate.protocol_host · Duplicate · 1 occurrence(s)
- https://tantoro.jp/ — https://www.tantoro.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.
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 2 occurrence(s)
- https://tantoro.jp/ — title shared by 2 pages: https://tantoro.jp/index.html
- https://tantoro.jp/index.html — title shared by 2 pages: https://tantoro.jp/
warning Content-Type header doesn't match the actual content
Rule headers.content_type_mismatch · Security · 5 occurrence(s)
- https://tantoro.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://tantoro.jp/access.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://tantoro.jp/concept.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://tantoro.jp/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://tantoro.jp/menu.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".
warning Missing viewport meta tag
Rule mobile.viewport_missing · Mobile · 3 occurrence(s)
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 5 occurrence(s)
- https://tantoro.jp/ — 9 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tantoro.jp/access.html — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tantoro.jp/concept.html — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tantoro.jp/index.html — 9 render-blocking <script> in <head> (add defer/async or use type=module)
- https://tantoro.jp/menu.html — 4 render-blocking <script> in <head> (add defer/async or use type=module)
Notices (14 rules)
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://tantoro.jp/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice No main landmark for AI agents
Rule agent.no_main_landmark · Agent Readiness · 2 occurrence(s)
- https://tantoro.jp/ — add a <main> element (or role=main) around the primary content
- https://tantoro.jp/index.html — add a <main> element (or role=main) around the primary content
notice Duplicate meta description across pages
Rule duplicate.meta_desc · Duplicate · 5 occurrence(s)
- https://tantoro.jp/ — meta description shared by 5 pages: https://tantoro.jp/index.html, https://tantoro.jp/concept.html, https://tantoro.jp/menu.html
- https://tantoro.jp/access.html — meta description shared by 5 pages: https://tantoro.jp/, https://tantoro.jp/index.html, https://tantoro.jp/concept.html
- https://tantoro.jp/concept.html — meta description shared by 5 pages: https://tantoro.jp/, https://tantoro.jp/index.html, https://tantoro.jp/menu.html
- https://tantoro.jp/index.html — meta description shared by 5 pages: https://tantoro.jp/, https://tantoro.jp/concept.html, https://tantoro.jp/menu.html
- https://tantoro.jp/menu.html — meta description shared by 5 pages: https://tantoro.jp/, https://tantoro.jp/index.html, https://tantoro.jp/concept.html
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 5 occurrence(s)
- https://tantoro.jp/ — the likely hero/LCP image (logo.gif) 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://tantoro.jp/access.html — the likely hero/LCP image (logo.gif) 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://tantoro.jp/concept.html — the likely hero/LCP image (logo.gif) 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://tantoro.jp/index.html — the likely hero/LCP image (logo.gif) 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://tantoro.jp/menu.html — the likely hero/LCP image (second_head.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 · 3 occurrence(s)
- https://tantoro.jp/access.html — 1 of 6 images without width/height
- https://tantoro.jp/concept.html — 1 of 6 images without width/height
- https://tantoro.jp/menu.html — 1 of 11 images without width/height
notice Legacy <meta name=keywords> tag present (Google ignores it)
Rule meta.keywords_present · Content · 5 occurrence(s)
- https://tantoro.jp/ — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://tantoro.jp/access.html — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://tantoro.jp/concept.html — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://tantoro.jp/index.html — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
- https://tantoro.jp/menu.html — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
notice Missing Open Graph tags
Rule og.missing · Social · 5 occurrence(s)
- https://tantoro.jp/ — og:title, og:description, og:image
- https://tantoro.jp/access.html — og:title, og:description, og:image
- https://tantoro.jp/concept.html — og:title, og:description, og:image
- https://tantoro.jp/index.html — og:title, og:description, og:image
- https://tantoro.jp/menu.html — og:title, og:description, og:image
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 5 occurrence(s)
- https://tantoro.jp/ — 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://tantoro.jp/access.html — 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://tantoro.jp/concept.html — 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://tantoro.jp/index.html — 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://tantoro.jp/menu.html — 11 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 robots.txt missing (root returns 404/none)
Rule robots.txt_missing · Robots · 1 occurrence(s)
- https://tantoro.jp/ — robots.txt did not return a 200 at the site root — a healthy site should serve one (declare your sitemap and confirm the host serves root files)
notice No structured data detected
Rule schema.none · Structured Data · 5 occurrence(s)
notice Missing recommended security headers
Rule security.missing_headers · Security · 5 occurrence(s)
- https://tantoro.jp/ — HSTS, CSP, X-Content-Type-Options
- https://tantoro.jp/access.html — HSTS, CSP, X-Content-Type-Options
- https://tantoro.jp/concept.html — HSTS, CSP, X-Content-Type-Options
- https://tantoro.jp/index.html — HSTS, CSP, X-Content-Type-Options
- https://tantoro.jp/menu.html — HSTS, CSP, X-Content-Type-Options
notice target=_blank link without rel=noopener (tab-napping)
Rule security.unsafe_cross_origin_links · Security · 5 occurrence(s)
- https://tantoro.jp/ — 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://tantoro.jp/access.html — 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://tantoro.jp/concept.html — 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://tantoro.jp/index.html — 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://tantoro.jp/menu.html — 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 Missing Twitter Card tag
Rule twitter.missing · Social · 5 occurrence(s)
notice Underscores in URL path (prefer hyphens)
Rule url.underscores · URL · 3 occurrence(s)
Pages (showing 8 of 8)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://tantoro.jp/access.html 営業案内・アクセス｜仙台名物炭焼き牛たん たんとろ |
200 | yes | 42 | 5 |
| https://tantoro.jp/concept.html たんとろについて｜仙台名物炭焼き牛たん たんとろ |
200 | yes | 22 | 5 |
| https://tantoro.jp/index.html 仙台名物炭焼き牛たん たんとろ |
200 | yes | 59 | 5 |
| https://tantoro.jp/menu.html おしながき ｜仙台名物炭焼き牛たん たんとろ |
200 | yes | 16 | 5 |
| https://tantoro.jp/ 仙台名物炭焼き牛たん たんとろ |
200 | yes | 59 | 0 |
| https://tantoro.jp/img/pickup/pickup_01.jpg | 200 | no | 0 | 2 |
| https://tantoro.jp/img/pickup/pickup_02.jpg | 200 | no | 0 | 2 |
| https://tantoro.jp/img/pickup/pickup_03.jpg | 200 | no | 0 | 2 |
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