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SEO audit for tcsc.eu

Twente Centre for Scientific Computing | Home

other

Health 73/100 (fair) · 50 pages crawled · generated 2026-07-29

Download Markdown report (feed to ChatGPT / Claude / Cursor)
Screenshot of tcsc.eu
50
pages crawled
35
indexable pages
0
errors
166
warnings
522
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Meta Description 79 0 35 0
Performance 79 0 35 145
Headings 80 0 34 0
Canonical 81 0 31 0
Titles 93 0 12 0
Content 93 0 11 32
Duplicate 96 0 6 0
Images 99 0 2 36
Agent Readiness 100 0 0 68
Cache 100 0 0 35
Links 100 0 0 1
Robots 100 0 0 1
Security 100 0 0 70
Social 100 0 0 70
Structured Data 100 0 0 35
URL 100 0 0 29
Findings

Warnings (9 rules)

warning Missing canonical tag

Rule canonical.missing · Canonical · 31 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 11 occurrence(s)

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

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

  • https://tcsc.eu/ — https://www.tcsc.eu/ 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 · 5 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 34 occurrence(s)

warning Images missing alt text

Rule images.missing_alt · Images · 2 occurrence(s)

warning Missing meta description

Rule meta_desc.missing · Meta Description · 35 occurrence(s)

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

Rule perf.render_blocking · Performance · 35 occurrence(s)

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 12 occurrence(s)

Notices (23 rules)

notice Heading levels skip a level

Rule agent.heading_skip · Agent Readiness · 32 occurrence(s)

notice No llms.txt for AI agents

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

  • https://tcsc.eu/ — 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 · 35 occurrence(s)

notice Page served uncached (no-store/private or CDN bypass)

Rule cache.not_cacheable · Cache · 35 occurrence(s)

notice Main text is hard to read (low Flesch Reading Ease)

Rule content.readability_poor · Content · 32 occurrence(s)

  • https://tcsc.eu/ — this page reads as difficult (Flesch Reading Ease 47, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/activities/ — this page reads as difficult (Flesch Reading Ease 38, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/boost-nl-introducing-smart-industry.html — this page reads as difficult (Flesch Reading Ease 33, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/contacts.html — this page reads as difficult (Flesch Reading Ease 41, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/dcse-fall-school-november-4-8,-2019,-on-%E2%80%9Creduced-order-modeling-and-uncertainty-quantification%E2%80%9D.html — this page reads as difficult (Flesch Reading Ease 36, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/education.html — this page reads as very difficult (Flesch Reading Ease 23, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/end-of-year-greetings-from-tcsc.html — this page reads as difficult (Flesch Reading Ease 41, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/goals.html — this page reads as very difficult (Flesch Reading Ease 23, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/industrial-partners.html — this page reads as very difficult (Flesch Reading Ease 20, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/lecture-g-lipari.html — this page reads as very difficult (Flesch Reading Ease 18, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/lecture-j%C3%B6rg-henseler-%28dpm,-university-of-twente%29.html — this page reads as very difficult (Flesch Reading Ease 17, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/m-and-m-lecture-series-07-2018.html — this page reads as very difficult (Flesch Reading Ease 15, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/m-and-m-lecture-series-june.html — this page reads as very difficult (Flesch Reading Ease 27, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/m-and-m-lecture-series-rs.html — this page reads as difficult (Flesch Reading Ease 31, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/m-and-m-lecture-series-sept2018.html — this page reads as very difficult (Flesch Reading Ease 20, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/m-and-m-lectures/ — this page reads as very difficult (Flesch Reading Ease 23, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/mandmlecture-series.html — this page reads as very difficult (Flesch Reading Ease 19, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/members/ — this page reads as difficult (Flesch Reading Ease 44, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/molecular-dynamics-at-its-limits.html — this page reads as very difficult (Flesch Reading Ease 20, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/news/ — this page reads as difficult (Flesch Reading Ease 44, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/open-source-projects.html — this page reads as very difficult (Flesch Reading Ease 25, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/quickersim-cfd-toolbox-for-matlab-%E2%80%93-basics-and-applications.html — this page reads as difficult (Flesch Reading Ease 34, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/seminar-of-prof.-jim-jenkins,-cornell-university-and-prof.-holger-steeb,-stuttgart-university.html — this page reads as very difficult (Flesch Reading Ease 27, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/spin-off-companies.html — this page reads as very difficult (Flesch Reading Ease 25, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://tcsc.eu/tcsc-member-is-awarded-vidi.html — this page reads as very difficult (Flesch Reading Ease 30, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.

notice Image alt text is keyword-stuffed (repetition / low variety)

Rule images.alt_stuffed · Images · 1 occurrence(s)

  • https://tcsc.eu/industrial-partners.html — 1 image(s) have keyword-stuffed alt text — the same word repeated several times, or a long low-variety keyword list. Google's image guidance asks for short, descriptive alt text, not keyword lists; rewrite it to describe the image.

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 35 occurrence(s)

  • https://tcsc.eu/ — the likely hero/LCP image (tcsc_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://tcsc.eu/activities/ — the likely hero/LCP image (tcsc_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://tcsc.eu/boost-nl-introducing-smart-industry.html — the likely hero/LCP image (tcsc_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://tcsc.eu/contacts.html — the likely hero/LCP image (tcsc_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://tcsc.eu/dcse-fall-school-november-4-8,-2019,-on-%E2%80%9Creduced-order-modeling-and-uncertainty-quantification%E2%80%9D.html — the likely hero/LCP image (tcsc_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://tcsc.eu/education.html — the likely hero/LCP image (tcsc_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://tcsc.eu/end-of-year-greetings-from-tcsc.html — the likely hero/LCP image (tcsc_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://tcsc.eu/gallery.html — the likely hero/LCP image (tcsc_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://tcsc.eu/goals.html — the likely hero/LCP image (tcsc_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://tcsc.eu/industrial-partners.html — the likely hero/LCP image (tcsc_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://tcsc.eu/lecture-g-lipari.html — the likely hero/LCP image (tcsc_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://tcsc.eu/m-and-m-lecture-series-07-2018.html — the likely hero/LCP image (tcsc_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://tcsc.eu/m-and-m-lecture-series-june.html — the likely hero/LCP image (tcsc_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://tcsc.eu/m-and-m-lecture-series-rs.html — the likely hero/LCP image (tcsc_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://tcsc.eu/m-and-m-lecture-series-sept2018.html — the likely hero/LCP image (tcsc_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://tcsc.eu/m-and-m-lectures/ — the likely hero/LCP image (tcsc_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://tcsc.eu/mandmlecture-series.html — the likely hero/LCP image (tcsc_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://tcsc.eu/members/ — the likely hero/LCP image (tcsc_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://tcsc.eu/news/ — the likely hero/LCP image (tcsc_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://tcsc.eu/news/?page=2 — the likely hero/LCP image (tcsc_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://tcsc.eu/open-source-projects.html — the likely hero/LCP image (tcsc_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://tcsc.eu/privacy-policy.html — the likely hero/LCP image (tcsc_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://tcsc.eu/seminar-of-prof.-jim-jenkins,-cornell-university-and-prof.-holger-steeb,-stuttgart-university.html — the likely hero/LCP image (tcsc_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://tcsc.eu/spin-off-companies.html — the likely hero/LCP image (tcsc_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://tcsc.eu/tcsc-member-is-awarded-vidi.html — the likely hero/LCP image (tcsc_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 · 35 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 1 occurrence(s)

  • https://tcsc.eu/gallery.html — 21 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 Missing Open Graph tags

Rule og.missing · Social · 35 occurrence(s)

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

Rule perf.images_legacy_format · Performance · 35 occurrence(s)

  • https://tcsc.eu/ — 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://tcsc.eu/activities/ — 3 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://tcsc.eu/boost-nl-introducing-smart-industry.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://tcsc.eu/contacts.html — 3 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://tcsc.eu/dcse-fall-school-november-4-8,-2019,-on-%E2%80%9Creduced-order-modeling-and-uncertainty-quantification%E2%80%9D.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://tcsc.eu/education.html — 3 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://tcsc.eu/end-of-year-greetings-from-tcsc.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://tcsc.eu/gallery.html — 24 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://tcsc.eu/goals.html — 3 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://tcsc.eu/industrial-partners.html — 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://tcsc.eu/lecture-g-lipari.html — 3 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://tcsc.eu/m-and-m-lecture-series-07-2018.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://tcsc.eu/m-and-m-lecture-series-june.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://tcsc.eu/m-and-m-lecture-series-rs.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://tcsc.eu/m-and-m-lecture-series-sept2018.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://tcsc.eu/m-and-m-lectures/ — 3 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://tcsc.eu/mandmlecture-series.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://tcsc.eu/members/ — 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://tcsc.eu/news/ — 13 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://tcsc.eu/news/?page=2 — 15 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://tcsc.eu/open-source-projects.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://tcsc.eu/privacy-policy.html — 3 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://tcsc.eu/seminar-of-prof.-jim-jenkins,-cornell-university-and-prof.-holger-steeb,-stuttgart-university.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://tcsc.eu/spin-off-companies.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://tcsc.eu/tcsc-member-is-awarded-vidi.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.

notice Large HTML document

Rule perf.large_html · Performance · 5 occurrence(s)

notice No ETag header (no conditional GET for unchanged pages)

Rule perf.no_etag · Performance · 35 occurrence(s)

  • https://tcsc.eu/ — 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://tcsc.eu/activities/ — 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://tcsc.eu/boost-nl-introducing-smart-industry.html — 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://tcsc.eu/contacts.html — 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://tcsc.eu/dcse-fall-school-november-4-8,-2019,-on-%E2%80%9Creduced-order-modeling-and-uncertainty-quantification%E2%80%9D.html — 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://tcsc.eu/education.html — 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://tcsc.eu/end-of-year-greetings-from-tcsc.html — 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://tcsc.eu/gallery.html — 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://tcsc.eu/goals.html — 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://tcsc.eu/industrial-partners.html — 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://tcsc.eu/lecture-g-lipari.html — 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://tcsc.eu/m-and-m-lecture-series-07-2018.html — 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://tcsc.eu/m-and-m-lecture-series-june.html — 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://tcsc.eu/m-and-m-lecture-series-rs.html — 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://tcsc.eu/m-and-m-lecture-series-sept2018.html — 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://tcsc.eu/m-and-m-lectures/ — 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://tcsc.eu/mandmlecture-series.html — 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://tcsc.eu/members/ — 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://tcsc.eu/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://tcsc.eu/news/?page=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://tcsc.eu/open-source-projects.html — 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://tcsc.eu/privacy-policy.html — 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://tcsc.eu/seminar-of-prof.-jim-jenkins,-cornell-university-and-prof.-holger-steeb,-stuttgart-university.html — 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://tcsc.eu/spin-off-companies.html — 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://tcsc.eu/tcsc-member-is-awarded-vidi.html — 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 · 35 occurrence(s)

  • https://tcsc.eu/ — 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://tcsc.eu/activities/ — 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://tcsc.eu/boost-nl-introducing-smart-industry.html — 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://tcsc.eu/contacts.html — 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://tcsc.eu/dcse-fall-school-november-4-8,-2019,-on-%E2%80%9Creduced-order-modeling-and-uncertainty-quantification%E2%80%9D.html — 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://tcsc.eu/education.html — 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://tcsc.eu/end-of-year-greetings-from-tcsc.html — 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://tcsc.eu/gallery.html — 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://tcsc.eu/goals.html — 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://tcsc.eu/industrial-partners.html — 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://tcsc.eu/lecture-g-lipari.html — 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://tcsc.eu/m-and-m-lecture-series-07-2018.html — 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://tcsc.eu/m-and-m-lecture-series-june.html — 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://tcsc.eu/m-and-m-lecture-series-rs.html — 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://tcsc.eu/m-and-m-lecture-series-sept2018.html — 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://tcsc.eu/m-and-m-lectures/ — 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://tcsc.eu/mandmlecture-series.html — 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://tcsc.eu/members/ — 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://tcsc.eu/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://tcsc.eu/news/?page=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://tcsc.eu/open-source-projects.html — 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://tcsc.eu/privacy-policy.html — 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://tcsc.eu/seminar-of-prof.-jim-jenkins,-cornell-university-and-prof.-holger-steeb,-stuttgart-university.html — 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://tcsc.eu/spin-off-companies.html — 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://tcsc.eu/tcsc-member-is-awarded-vidi.html — 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 robots.txt missing (root returns 404/none)

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

  • https://tcsc.eu/ — 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 · 35 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 35 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 35 occurrence(s)

notice Missing Twitter Card tag

Rule twitter.missing · Social · 35 occurrence(s)

notice Non-ASCII characters in URL path

Rule url.non_ascii · URL · 3 occurrence(s)

notice URL is very long

Rule url.too_long · URL · 2 occurrence(s)

notice Underscores in URL path (prefer hyphens)

Rule url.underscores · URL · 15 occurrence(s)

notice Uppercase letters in URL path

Rule url.uppercase · URL · 9 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://tcsc.eu/
Twente Centre for Scientific Computing | Home		 200 yes 295 35
https://tcsc.eu/activities/
Twente Centre for Scientific Computing | Activities		 200 yes 401 35
https://tcsc.eu/contacts.html
Twente Centre for Scientific Computing | Contact		 200 yes 126 35
https://tcsc.eu/education.html
Twente Centre for Scientific Computing | Education		 200 yes 277 35
https://tcsc.eu/gallery.html
Twente Centre for Scientific Computing | Gallery		 200 yes 80 35
https://tcsc.eu/goals.html
Twente Centre for Scientific Computing | Goals		 200 yes 316 35
https://tcsc.eu/industrial-partners.html
Twente Centre for Scientific Computing | Industrial Partners		 200 yes 110 35
https://tcsc.eu/m-and-m-lectures/
Twente Centre for Scientific Computing | M-M Lectures		 200 yes 489 35
https://tcsc.eu/members/
Twente Centre for Scientific Computing | Members		 200 yes 973 35
https://tcsc.eu/news/
Twente Centre for Scientific Computing | News		 200 yes 487 35
https://tcsc.eu/open-source-projects.html
Twente Centre for Scientific Computing | Open source		 200 yes 124 35
https://tcsc.eu/privacy-policy.html
Twente Centre for Scientific Computing | Privacy Policy		 200 yes 1857 35
https://tcsc.eu/spin-off-companies.html
Twente Centre for Scientific Computing | Spin-off		 200 yes 263 35
https://tcsc.eu/dcse-fall-school-november-4-8,-2019,-on-%E2%80%9Creduced-order-modeling-and-uncertainty-quantification%E2%80%9D.html
Twente Centre for Scientific Computing | DCSE Fall School November 4-8, 2019, on “Reduced-Order Modeling and Uncertainty Quantification”		 200 yes 410 2
https://tcsc.eu/end-of-year-greetings-from-tcsc.html
Twente Centre for Scientific Computing | End-of-year Greetings from TCSC		 200 yes 135 2
https://tcsc.eu/m-and-m-lecture-series-sept2018.html
Twente Centre for Scientific Computing | M&M Lecture Series		 200 yes 375 2
https://tcsc.eu/seminar-of-prof.-jim-jenkins,-cornell-university-and-prof.-holger-steeb,-stuttgart-university.html
Twente Centre for Scientific Computing | Seminar of Prof. Jim Jenkins, Cornell University and Prof. Holger Steeb, Stuttgart University		 200 yes 438 2
https://tcsc.eu/news/?page=2
Twente Centre for Scientific Computing | News		 200 yes 467 3
https://tcsc.eu/news/?page=3
Twente Centre for Scientific Computing | News		 200 yes 113 3
https://tcsc.eu/coarse-grained-brownian-dynamics-simulations-of-self-assembling-proteins.html
Twente Centre for Scientific Computing | Coarse-grained Brownian dynamics simulations of self-assembling proteins		 200 yes 90 1
https://tcsc.eu/computational-mechanics-for-the-manufacturing-industry.html
Twente Centre for Scientific Computing | Computational Mechanics for the manufacturing industry		 200 yes 200 1
https://tcsc.eu/finite-element-simulations-of-multi-component-droplets.html
Twente Centre for Scientific Computing | Finite element simulations of multi-component droplets		 200 yes 268 1
https://tcsc.eu/lecture-g-lipari.html
Twente Centre for Scientific Computing | Lecture Giordano Lipari (Delft Institute of Applied Mathematics)		 200 yes 235 1
https://tcsc.eu/lecture-j%C3%B6rg-henseler-%28dpm,-university-of-twente%29.html
Twente Centre for Scientific Computing | Lecture Jörg Henseler (DPM, University of Twente)		 200 yes 319 1
https://tcsc.eu/modelling-powder-bed-fusion-defects.html
Twente Centre for Scientific Computing | Modelling Powder Bed Fusion Defects		 200 yes 88 1
https://tcsc.eu/molecular-dynamics-at-its-limits.html
Twente Centre for Scientific Computing | Molecular Dynamics at its Limits		 200 yes 347 1
https://tcsc.eu/multiscale-modelling-of-optoelectronic-processes-in-organic-light-emitting-devices-from-the-molecule-to-the-device.html
Twente Centre for Scientific Computing | Multiscale modelling of optoelectronic processes in organic light-emitting devices: from the molecule to the device		 200 yes 98 1
https://tcsc.eu/n/a.html
Twente Centre for Scientific Computing | Large eddy simulations and modeling of the interaction between large wind farms and the turbulent atmospheric boundary layer		 200 yes 248 1
https://tcsc.eu/quickersim-cfd-toolbox-for-matlab-%E2%80%93-basics-and-applications.html
Twente Centre for Scientific Computing | QuickerSim CFD Toolbox for MATLAB – basics and applications		 200 yes 266 1
https://tcsc.eu/boost-nl-introducing-smart-industry.html
Twente Centre for Scientific Computing | Boost NL - Introducing Smart Industry		 200 yes 174 1
https://tcsc.eu/m-and-m-lecture-series-07-2018.html
Twente Centre for Scientific Computing | M & M Lecture Series		 200 yes 307 1
https://tcsc.eu/m-and-m-lecture-series-june.html
Twente Centre for Scientific Computing | M&M Lecture Series		 200 yes 190 1
https://tcsc.eu/m-and-m-lecture-series-rs.html
Twente Centre for Scientific Computing | M & M Lecture Series		 200 yes 352 1
https://tcsc.eu/mandmlecture-series.html
Twente Centre for Scientific Computing | M&M Lecture Series		 200 yes 292 1
https://tcsc.eu/tcsc-member-is-awarded-vidi.html
Twente Centre for Scientific Computing | TCSC member is awarded Vidi		 200 yes 322 1
https://tcsc.eu/assets/user_media/ABL.png 200 no 0 1
https://tcsc.eu/assets/user_media/HighRa.png 200 no 0 1
https://tcsc.eu/assets/user_media/Nanobubble_MD.jpg 200 no 0 1
https://tcsc.eu/assets/user_media/ShearedRB.png 200 no 0 1
https://tcsc.eu/assets/user_media/TCSC_A4.pdf 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/DLohseTurb1.png 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/DT_Yazdchi_web.jpg 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/NicoVerdonschot1.png 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/NicoVerdonschot2.png 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/all_in_one.png 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/image_01.jpg 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/image_02.jpg 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/picture1_claudia.jpg 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/picture2_claudia.jpg 200 no 0 1
https://tcsc.eu/assets/user_media/gallery/picture2_claudia_new.jpg 200 no 0 1

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