Catalog / lightningbug.co.jp
69

SEO audit for lightningbug.co.jp

ライトニングバグ株式会社 Lightning Bug Inc.

other

Health 69/100 (fair) · 25 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)

成田空港周辺の撮影はライトニングバグにお任せ下さい。本物のジャンボジェット機（ボーイング747）のモックアップで本格的な機内撮影が可能です。広大な空き地スタジオなど順次オープン予定です。

Screenshot of lightningbug.co.jp
25
pages crawled
18
indexable pages
0
errors
93
warnings
163
notices
2
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Links 70 0 25 4
Performance 74 0 22 90
Content 78 0 18 0
Duplicate 92 0 7 6
Meta Description 92 0 7 7
Budget 95 0 4 0
Indexability 95 0 4 0
Canonical 96 0 3 0
Sitemap 96 0 3 0
Agent Readiness 100 0 0 3
Crawlability 100 0 0 2
Images 100 0 0 2
Security 100 0 0 22
Social 100 0 0 10
Structured Data 100 0 0 16
URL 100 0 0 1
Findings

Warnings (10 rules)

warning Noindex page receives internal links (crawl-budget waste)

Rule budget.noindex_linked · Budget · 4 occurrence(s)

  • https://www.lightningbug.co.jp/author/wpmaster — this noindex page has 5 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.lightningbug.co.jp/news/218, https://www.lightningbug.co.jp/pressrelease/118, https://www.lightningbug.co.jp/publicity/57.
  • https://www.lightningbug.co.jp/category/news — this noindex page has 22 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.lightningbug.co.jp/, https://www.lightningbug.co.jp/news/218, https://www.lightningbug.co.jp/recruit.
  • https://www.lightningbug.co.jp/category/pressrelease — this noindex page has 22 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.lightningbug.co.jp/, https://www.lightningbug.co.jp/news/218, https://www.lightningbug.co.jp/recruit.
  • https://www.lightningbug.co.jp/category/publicity — this noindex page has 22 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://www.lightningbug.co.jp/, https://www.lightningbug.co.jp/news/218, https://www.lightningbug.co.jp/recruit.

warning Missing canonical tag

Rule canonical.missing · Canonical · 3 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 18 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 7 occurrence(s)

warning Page is noindex

Rule index.noindex · Indexability · 4 occurrence(s)

warning Orphan page (no internal inlinks)

Rule links.orphan · Links · 2 occurrence(s)

warning Internal link points to a redirect

Rule links.redirect_target · Links · 23 occurrence(s)

warning Missing meta description

Rule meta_desc.missing · Meta Description · 7 occurrence(s)

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

Rule perf.render_blocking · Performance · 22 occurrence(s)

warning Non-indexable URL listed in sitemap

Rule sitemap.non_indexable · Sitemap · 3 occurrence(s)

Notices (18 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 2 occurrence(s)

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 6 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 22 occurrence(s)

  • https://lightningbug.co.jp/ — the likely hero/LCP image (icon_nav.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://lightningbug.co.jp/contacts — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/ — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/author/wpmaster — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/category/news — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/category/pressrelease — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/category/publicity — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/company — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/contacts — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/corporate_philosophy — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/greeting — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/history — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/news/202 — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/news/218 — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/news/55 — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/pressrelease/118 — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/products — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/publicity/57 — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/recruit — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/slide0001-01 — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/slide0002-01 — the likely hero/LCP image (icon_nav.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.lightningbug.co.jp/slide0003-01 — the likely hero/LCP image (icon_nav.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 · 2 occurrence(s)

notice Page has only one internal inlink (fragile crawl path)

Rule links.single_inlink · Links · 4 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 1 occurrence(s)

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 6 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 7 occurrence(s)

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

Rule perf.images_legacy_format · Performance · 22 occurrence(s)

  • https://lightningbug.co.jp/ — 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://lightningbug.co.jp/contacts — 1 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.lightningbug.co.jp/ — 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://www.lightningbug.co.jp/author/wpmaster — 1 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.lightningbug.co.jp/category/news — 1 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.lightningbug.co.jp/category/pressrelease — 1 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.lightningbug.co.jp/category/publicity — 1 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.lightningbug.co.jp/company — 1 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.lightningbug.co.jp/contacts — 1 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.lightningbug.co.jp/corporate_philosophy — 1 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.lightningbug.co.jp/greeting — 1 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.lightningbug.co.jp/history — 1 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.lightningbug.co.jp/news/202 — 1 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.lightningbug.co.jp/news/218 — 1 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.lightningbug.co.jp/news/55 — 1 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.lightningbug.co.jp/pressrelease/118 — 1 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.lightningbug.co.jp/products — 1 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.lightningbug.co.jp/publicity/57 — 1 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.lightningbug.co.jp/recruit — 1 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.lightningbug.co.jp/slide0001-01 — 2 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.lightningbug.co.jp/slide0002-01 — 2 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.lightningbug.co.jp/slide0003-01 — 2 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 No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 22 occurrence(s)

  • https://lightningbug.co.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://lightningbug.co.jp/contacts — 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.lightningbug.co.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.lightningbug.co.jp/author/wpmaster — 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.lightningbug.co.jp/category/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://www.lightningbug.co.jp/category/pressrelease — 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.lightningbug.co.jp/category/publicity — 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.lightningbug.co.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.lightningbug.co.jp/contacts — 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.lightningbug.co.jp/corporate_philosophy — 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.lightningbug.co.jp/greeting — 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.lightningbug.co.jp/history — 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.lightningbug.co.jp/news/202 — 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.lightningbug.co.jp/news/218 — 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.lightningbug.co.jp/news/55 — 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.lightningbug.co.jp/pressrelease/118 — 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.lightningbug.co.jp/products — 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.lightningbug.co.jp/publicity/57 — 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.lightningbug.co.jp/recruit — 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.lightningbug.co.jp/slide0001-01 — 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.lightningbug.co.jp/slide0002-01 — 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.lightningbug.co.jp/slide0003-01 — 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 · 22 occurrence(s)

  • https://lightningbug.co.jp/ — 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://lightningbug.co.jp/contacts — 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.lightningbug.co.jp/ — 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.lightningbug.co.jp/author/wpmaster — 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.lightningbug.co.jp/category/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://www.lightningbug.co.jp/category/pressrelease — 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.lightningbug.co.jp/category/publicity — 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.lightningbug.co.jp/company — 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.lightningbug.co.jp/contacts — 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.lightningbug.co.jp/corporate_philosophy — 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.lightningbug.co.jp/greeting — 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.lightningbug.co.jp/history — 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.lightningbug.co.jp/news/202 — 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.lightningbug.co.jp/news/218 — 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.lightningbug.co.jp/news/55 — 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.lightningbug.co.jp/pressrelease/118 — 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.lightningbug.co.jp/products — 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.lightningbug.co.jp/publicity/57 — 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.lightningbug.co.jp/recruit — 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.lightningbug.co.jp/slide0001-01 — 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.lightningbug.co.jp/slide0002-01 — 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.lightningbug.co.jp/slide0003-01 — 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 Slow server response

Rule perf.slow_response · Performance · 2 occurrence(s)

notice URL redirects to another URL

Rule redirect.single · Crawlability · 2 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 16 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 22 occurrence(s)

notice Missing Twitter Card tag

Rule twitter.missing · Social · 3 occurrence(s)

notice Underscores in URL path (prefer hyphens)

Rule url.underscores · URL · 1 occurrence(s)

Pages (showing 25 of 25)
URLStatusIndexableWordsIn-links
https://lightningbug.co.jp/
ライトニングバグ株式会社 Lightning Bug Inc.		 200 yes 44 22
https://www.lightningbug.co.jp/
ライトニングバグ株式会社 Lightning Bug Inc.		 200 yes 44 22
https://www.lightningbug.co.jp/category/news
お知らせ | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 no 41 22
https://www.lightningbug.co.jp/category/pressrelease
プレスリリース | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 no 37 22
https://www.lightningbug.co.jp/category/publicity
パブリシティ | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 no 38 22
https://www.lightningbug.co.jp/company
会社概要 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 64 22
https://www.lightningbug.co.jp/contacts
お問合せ | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 42 22
https://www.lightningbug.co.jp/history
沿革 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 41 22
https://www.lightningbug.co.jp/products
事業内容 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 49 22
https://www.lightningbug.co.jp/recruit
採用情報 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 35 22
https://www.lightningbug.co.jp/news/202
サイトを更新しました | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 43 7
https://www.lightningbug.co.jp/news/218
ナリタリアサイト公開 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 55 6
https://www.lightningbug.co.jp/news/55
リニューアルしました | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 42 6
https://www.lightningbug.co.jp/publicity/57
メディアに取り上げられました | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 43 5
https://www.lightningbug.co.jp/pressrelease/118
プレスリリース | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 43 5
https://www.lightningbug.co.jp/author/wpmaster
ライトニングバグ株式会社 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 no 47 5
https://lightningbug.co.jp/contacts
お問合せ | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 42 1
https://www.lightningbug.co.jp/slide0001-01
ライトニングバグ株式会社 | ライトニングバグ株式会社 – Lightning Bug Inc. –		 200 yes 42 1
https://www.lightningbug.co.jp/slide0002-01
ライトニングバグ株式会社 | ライトニングバグ株式会社 – Lightning Bug Inc. –		 200 yes 42 1
https://www.lightningbug.co.jp/slide0003-01
ライトニングバグ株式会社 | ライトニングバグ株式会社 – Lightning Bug Inc. –		 200 yes 42 1
https://www.lightningbug.co.jp/corporate_philosophy
企業理念 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 34 0
https://www.lightningbug.co.jp/greeting
代表挨拶 | ライトニングバグ株式会社 - Lightning Bug Inc. -		 200 yes 34 0
https://lightningbug.co.jp/wp/wp-content/uploads/2015/10/slide0001-01.png 200 no 0 1
https://lightningbug.co.jp/wp/wp-content/uploads/2015/10/slide0002-01.png 200 no 0 1
https://lightningbug.co.jp/wp/wp-content/uploads/2015/10/slide0003-01.png 200 no 0 1

Audit your own site — free

157 checks, internal PageRank, render-diff. No signup, results in ~30s.

Scan your site →