Catalog / tud-net.com
58

SEO audit for tud-net.com

天文宇宙同好会の星

other

Health 58/100 (fair) · 50 pages crawled · generated 2026-07-29

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

東海大学天文宇宙同好会に所属していた方、歓迎！

Screenshot of tud-net.com
50
pages crawled
48
indexable pages
5
errors
356
warnings
386
notices
0
orphan pages
2
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Crawlability 93 2 5 0
Links 96 2 0 33
Titles 98 1 0 36
Canonical 74 0 43 0
Content 74 0 43 18
Security 74 0 43 48
Headings 75 0 42 0
Meta Description 75 0 41 2
Mobile 75 0 41 10
Images 78 0 36 4
Agent Readiness 79 0 35 11
Duplicate 84 0 27 2
Performance 100 0 0 82
Robots 100 0 0 1
Sitemap 100 0 0 1
Social 100 0 0 86
Structured Data 100 0 0 43
URL 100 0 0 9
Findings

Errors (3 rules)

error Broken internal link (target 4xx/5xx)

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

error Client error (4xx) response

Rule status.4xx · Crawlability · 2 occurrence(s)

error Missing or empty <title>

Rule title.missing · Titles · 1 occurrence(s)

Warnings (11 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 35 occurrence(s)

warning Missing canonical tag

Rule canonical.missing · Canonical · 43 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 43 occurrence(s)

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

Rule duplicate.protocol_host · Duplicate · 1 occurrence(s)

  • https://tud-net.com/ — https://www.tud-net.com/ 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 · 26 occurrence(s)

warning Incomplete/empty response after retries (likely transient — re-crawl)

Rule fetch.incomplete · Crawlability · 5 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 42 occurrence(s)

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

Rule headers.content_type_mismatch · Security · 43 occurrence(s)

  • https://tud-net.com/ — 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://tud-net.com/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://tud-net.com/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://tud-net.com/contact.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://tud-net.com/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://tud-net.com/library/report-1.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://tud-net.com/members/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://tud-net.com/members/top/index.htm — 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://tud-net.com/members/top/infrep/infrep.htm — 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://tud-net.com/members/top/infrep/period/period_1.htm — 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://tud-net.com/members/top/infrep/period/period_2.htm — 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://tud-net.com/members/top/infrep/period/period_3.htm — 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://tud-net.com/members/top/infrep/period/period_4.htm — 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://tud-net.com/members/top/infrep/view/view_20120520.htm — 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://tud-net.com/members/top/member/member.htm — 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://tud-net.com/members/top/member/page/menpg1.htm — 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://tud-net.com/members/top/news/news_x.htm — 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://tud-net.com/members/top/photo/photo.htm — 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://tud-net.com/members/top/related/related.htm — 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://tud-net.com/members/top/world/world.htm — 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://tud-net.com/news.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://tud-net.com/service.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://tud-net.com/top-open/index.htm — 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://tud-net.com/top-open/inf00/inf00.htm — 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://tud-net.com/top-open/member/page/menpg1.htm — 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 Images missing alt text

Rule images.missing_alt · Images · 36 occurrence(s)

warning Missing meta description

Rule meta_desc.missing · Meta Description · 41 occurrence(s)

warning Missing viewport meta tag

Rule mobile.viewport_missing · Mobile · 41 occurrence(s)

Notices (24 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)

  • https://tud-net.com/ — 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 · 8 occurrence(s)

notice Low text-to-HTML ratio

Rule content.low_ratio · Content · 4 occurrence(s)

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 2 occurrence(s)

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

Rule encoding.doctype_missing · Content · 12 occurrence(s)

notice Missing html lang attribute

Rule i18n.lang_missing · Mobile · 10 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 41 occurrence(s)

  • https://tud-net.com/ — the likely hero/LCP image (pic_top_gif.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://tud-net.com/access.html — the likely hero/LCP image (a_btn136.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://tud-net.com/concept.html — the likely hero/LCP image (concept-ceo.jpg) 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://tud-net.com/index.html — the likely hero/LCP image (pic_top_gif.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://tud-net.com/library/report-1.html — the likely hero/LCP image (logo-se.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://tud-net.com/members/index.html — the likely hero/LCP image (logo211.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://tud-net.com/members/top/index.htm — the likely hero/LCP image (main_00.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://tud-net.com/members/top/infrep/infrep.htm — the likely hero/LCP image (infrep.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://tud-net.com/members/top/infrep/period/period_1.htm — the likely hero/LCP image (m0000.jpg) 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://tud-net.com/members/top/infrep/period/period_2.htm — the likely hero/LCP image (m0001.jpg) 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://tud-net.com/members/top/infrep/period/period_3.htm — the likely hero/LCP image (m0002.jpg) 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://tud-net.com/members/top/infrep/period/period_4.htm — the likely hero/LCP image (m0003.jpg) 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://tud-net.com/members/top/infrep/view/view_20120520.htm — the likely hero/LCP image (v20120520.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://tud-net.com/members/top/member/member.htm — the likely hero/LCP image (a0.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://tud-net.com/members/top/member/page/menpg1.htm — 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://tud-net.com/members/top/member/page/menpg2.htm — 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://tud-net.com/members/top/member/page/menpg3.htm — 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://tud-net.com/members/top/news/news_x.htm — the likely hero/LCP image (news_00.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://tud-net.com/members/top/photo/photo.htm — the likely hero/LCP image (009.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://tud-net.com/members/top/related/related.htm — the likely hero/LCP image (009.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://tud-net.com/members/top/world/world.htm — the likely hero/LCP image (world_00.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://tud-net.com/service.html — the likely hero/LCP image (service-s01.jpg) 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://tud-net.com/top-open/index.htm — the likely hero/LCP image (main_00.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://tud-net.com/top-open/inf00/inf00.htm — 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://tud-net.com/top-open/member/page/menpg1.htm — 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 · 4 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 33 occurrence(s)

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

Rule meta.keywords_present · Content · 2 occurrence(s)

  • https://tud-net.com/ — a <meta name="keywords"> tag is present — Google has ignored it since 2009; remove it to cut template debt
  • https://tud-net.com/index.html — 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 · 2 occurrence(s)

notice Missing Open Graph tags

Rule og.missing · Social · 43 occurrence(s)

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

Rule perf.images_legacy_format · Performance · 41 occurrence(s)

  • https://tud-net.com/ — 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://tud-net.com/access.html — 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://tud-net.com/concept.html — 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://tud-net.com/index.html — 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://tud-net.com/library/report-1.html — 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://tud-net.com/members/index.html — 8 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://tud-net.com/members/top/index.htm — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
  • https://tud-net.com/members/top/infrep/infrep.htm — 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://tud-net.com/members/top/infrep/period/period_1.htm — 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://tud-net.com/members/top/infrep/period/period_2.htm — 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://tud-net.com/members/top/infrep/period/period_3.htm — 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://tud-net.com/members/top/infrep/period/period_4.htm — 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://tud-net.com/members/top/infrep/view/view_20120520.htm — 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://tud-net.com/members/top/member/member.htm — 7 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://tud-net.com/members/top/member/page/menpg1.htm — 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://tud-net.com/members/top/member/page/menpg2.htm — 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://tud-net.com/members/top/member/page/menpg3.htm — 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://tud-net.com/members/top/news/news_x.htm — 7 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://tud-net.com/members/top/photo/photo.htm — 10 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://tud-net.com/members/top/related/related.htm — 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://tud-net.com/members/top/world/world.htm — 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://tud-net.com/service.html — 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://tud-net.com/top-open/index.htm — 18 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
  • https://tud-net.com/top-open/inf00/inf00.htm — 9 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://tud-net.com/top-open/member/page/menpg1.htm — 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.

notice robots.txt missing (root returns 404/none)

Rule robots.txt_missing · Robots · 1 occurrence(s)

  • https://tud-net.com/ — 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 · 43 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 45 occurrence(s)

notice target=_blank link without rel=noopener (tab-napping)

Rule security.unsafe_cross_origin_links · Security · 3 occurrence(s)

notice Indexable page not listed in sitemap

Rule sitemap.orphan_not_listed · Sitemap · 1 occurrence(s)

notice Title tag is identical to the H1 (missed keyword variation)

Rule title.same_as_h1 · Titles · 1 occurrence(s)

notice Title is very short

Rule title.too_short · Titles · 35 occurrence(s)

notice Missing Twitter Card tag

Rule twitter.missing · Social · 43 occurrence(s)

notice Underscores in URL path (prefer hyphens)

Rule url.underscores · URL · 8 occurrence(s)

notice Uppercase letters in URL path

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

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://tud-net.com/members/top/index.htm
test		 200 yes 58 9
https://tud-net.com/members/top/member/member.htm
MEMBER		 200 yes 0 5
https://tud-net.com/top-open/member/member.htm
MEMBER		 200 yes 0 5
https://tud-net.com/members/top/infrep/infrep.htm
INFORMATION_REPORT		 200 yes 66 6
https://tud-net.com/top-open/index.htm
test		 200 yes 46 8
https://tud-net.com/members/sub1.html
サークル紹介		 200 yes 15 4
https://tud-net.com/members/sub3.html
メンバー募集		 200 yes 13 4
https://tud-net.com/index.html
天文宇宙同好会の星		 200 yes 49 9
https://tud-net.com/members/gate_for_gen-eki.html
○○サークル		 200 yes 13 6
https://tud-net.com/members/index.html
Member's Plaza		 200 yes 128 8
https://tud-net.com/members/top/member/page/menpg1.htm
MEMBER_1		 200 yes 0 1
https://tud-net.com/members/top/member/page/menpg2.htm
MEMBER_2		 200 yes 0 1
https://tud-net.com/members/top/member/page/menpg3.htm
MEMBER_3		 200 yes 0 1
https://tud-net.com/members/top/member/page/menpg4.htm
MEMBER_4		 200 yes 0 1
https://tud-net.com/top-open/member/page/menpg1.htm
MEMBER_1		 200 yes 0 1
https://tud-net.com/top-open/member/page/menpg2.htm
MEMBER_2		 200 yes 0 1
https://tud-net.com/top-open/member/page/menpg3.htm
MEMBER_3		 200 yes 0 1
https://tud-net.com/top-open/member/page/menpg4.htm
MEMBER_4		 200 yes 0 1
https://tud-net.com/concept.html
組織および構成		 200 yes 139 8
https://tud-net.com/members/sub2.html
メンバー紹介		 200 yes 27 3
https://tud-net.com/access.html
ポータルサイト		 200 yes 36 7
https://tud-net.com/contact.html
お問い合わせ - 天文宇宙同好会の星		 200 yes 38 7
https://tud-net.com/news.html
新着情報・FAQ - 天文宇宙同好会の星		 200 yes 43 7
https://tud-net.com/service.html
行事イベント		 200 yes 44 7
https://tud-net.com/members/top/infrep/period/period_1.htm
PERIOD		 200 yes 5 1
https://tud-net.com/members/top/infrep/period/period_2.htm
PERIOD		 200 yes 5 1
https://tud-net.com/members/top/infrep/period/period_3.htm
PERIOD		 200 yes 5 1
https://tud-net.com/members/top/infrep/period/period_4.htm
PERIOD		 200 yes 5 1
https://tud-net.com/members/top/infrep/view/view_20120520.htm
INFORMATION ECLIPSE		 200 yes 9 1
https://tud-net.com/members/top/exp/exp.htm
EXP		 200 yes 0 1
https://tud-net.com/members/top/news/news_x.htm
NEWS		 200 yes 0 1
https://tud-net.com/members/top/photo/photo.htm
PHOTO		 200 yes 61 1
https://tud-net.com/members/top/place/place.htm
PLACE		 200 yes 0 1
https://tud-net.com/members/top/post/post.htm
POST		 200 yes 0 1
https://tud-net.com/members/top/related/related.htm
Related Information		 200 yes 29 1
https://tud-net.com/members/top/world/world.htm
test		 200 yes 0 1
https://tud-net.com/top-open/inf00/inf00.htm
inf00		 200 yes 0 1
https://tud-net.com/top-open/inf01/inf01.htm
inf01		 200 yes 0 1
https://tud-net.com/top-open/infrep/infrep.htm
INFORMATION_REPORT		 200 yes 21 1
https://tud-net.com/top-open/photo/photo.htm
PHOTO		 200 yes 61 1
https://tud-net.com/top-open/place/place.htm
PLACE		 200 yes 0 1
https://tud-net.com/top-open/post/post.htm
POST		 200 yes 0 1
https://tud-net.com/top-open/related/related.htm
Related Information		 200 yes 29 1
https://tud-net.com/top-open/world/world.htm
test		 200 yes 0 1
https://tud-net.com/members/Photo_album/index.htm
photo main		 200 yes 36 1
https://tud-net.com/members/minutes.html 200 yes 144 1
https://tud-net.com/library/report-1.html
report index		 200 yes 56 1
https://tud-net.com/
天文宇宙同好会の星		 200 yes 49 2
https://tud-net.com/members/top/infrep/1999/08/11
404 Not Found		 404 no 29 1
https://tud-net.com/top/index.htm
404 Not Found		 404 no 29 1

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