Catalog / maisondelascience.fr
57

SEO audit for maisondelascience.fr

Maison de la Science Hubert Curien – Sciensibilisez-vous !

otherWordPress

Health 57/100 (fair) · 50 pages crawled · generated 2026-08-26

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

Que vous soyez une famille, une école ou un centre de loisirs, venez découvrir la science en s'amusant avec la Maison de la Science ! Découvrez, apprenez et amusez-vous ! Sciencibilisez vous avec la M…

Screenshot of maisondelascience.fr
50
pages crawled
35
indexable pages
28
errors
122
warnings
359
notices
0
orphan pages
1
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Crawlability 74 13 0 0
Sitemap 74 13 0 20
Links 98 1 0 19
Security 98 1 0 42
Performance 79 0 35 142
Meta Description 80 0 33 2
Content 87 0 21 18
Agent Readiness 89 0 19 17
Duplicate 97 0 5 2
Headings 98 0 3 4
Canonical 99 0 2 0
Titles 99 0 2 0
Budget 99 0 1 0
Indexability 99 0 1 1
Cache 100 0 0 1
Images 100 0 0 13
Social 100 0 0 70
Structured Data 100 0 0 5
URL 100 0 0 3
Findings

Errors (4 rules)

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

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

error Mixed content on HTTPS page

Rule security.mixed_content · Security · 1 occurrence(s)

error Non-200 URL listed in sitemap

Rule sitemap.not_200 · Sitemap · 13 occurrence(s)

error Client error (4xx) response

Rule status.4xx · Crawlability · 13 occurrence(s)

Warnings (11 rules)

warning Control has no accessible name

Rule agent.control_no_name · Agent Readiness · 19 occurrence(s)

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

Rule budget.noindex_linked · Budget · 1 occurrence(s)

warning Missing canonical tag

Rule canonical.missing · Canonical · 2 occurrence(s)

warning Thin content (low word count)

Rule content.thin · Content · 21 occurrence(s)

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

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

  • https://maisondelascience.fr/ — http://maisondelascience.fr/ 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 · 4 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 3 occurrence(s)

warning Page is noindex

Rule index.noindex · Indexability · 1 occurrence(s)

warning Missing meta description

Rule meta_desc.missing · Meta Description · 33 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 · 2 occurrence(s)

Notices (25 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 No main landmark for AI agents

Rule agent.no_main_landmark · Agent Readiness · 14 occurrence(s)

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

Rule cache.not_cacheable · Cache · 1 occurrence(s)

notice Low text-to-HTML ratio

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

notice noarchive directive (blocks cached copy)

Rule directives.noarchive · Indexability · 1 occurrence(s)

notice Duplicate meta description across pages

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

notice Multiple <h1> elements

Rule h1.multiple · Headings · 4 occurrence(s)

notice Image filename is generic/auto-generated (missed image-search signal)

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

  • https://maisondelascience.fr/presse-2/ — 1 image(s) use a generic/auto-generated filename (e.g. IMG_1234.jpg, photo1.png, a bare UUID). Google reads the filename as a signal of image content, so rename files descriptively (hyphen-separated words) before upload.

notice Likely hero image lacks fetchpriority=high

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

  • http://maisondelascience.fr/anniversaires/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/ateliers/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/author/admin/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/category/exposition/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/conferences/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/conseil-dadministration/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/contactez-nous/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/exposition-2/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/informations-et-plan-conference-axel-kahn/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/la-maison-de-la-science-a-lhonneur-de-recevoir-son-parrain-axel-kahn/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/les-clubs/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/les-clubs/club-science/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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.
  • http://maisondelascience.fr/qui-sommes-nous/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/anniversaires-2/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/ateliers-2/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/catalogue-etablissement-scolaire-3/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/catalogue-famille/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/catalogue-groupe-de-loisirs/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/conferences-2/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/exposition-3/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/les-clubs-2/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/presse-2/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/qui-sommes-nous-3/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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://maisondelascience.fr/reservation/ — the likely hero/LCP image (cropped-cmjn-logo-maisondelascience-vect-2024_plan-de-travail-1-200x200.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 · 12 occurrence(s)

notice Internal link has no anchor text / accessible name

Rule links.no_anchor_text · Links · 19 occurrence(s)

  • http://maisondelascience.fr/ — 7 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.
  • http://maisondelascience.fr/club-robotique/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • http://maisondelascience.fr/club-science-2/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • http://maisondelascience.fr/contact-mail/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • http://maisondelascience.fr/les-clubs/ — 2 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/ — 7 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/anniversaires-2/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/ateliers-2/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/catalogue-etablissement-scolaire-3/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/catalogue-famille/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/catalogue-groupe-de-loisirs/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/conferences-2/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/conseil-dadministration-2/ — 12 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/contactez-nous-2/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/exposition-3/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/les-clubs-2/ — 3 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/presse-2/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/qui-sommes-nous-3/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
  • https://maisondelascience.fr/reservation/ — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 2 occurrence(s)

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)

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

Rule perf.no_etag · Performance · 36 occurrence(s)

  • http://maisondelascience.fr/anniversaires/ — 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.
  • http://maisondelascience.fr/ateliers/ — 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.
  • http://maisondelascience.fr/author/admin/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • http://maisondelascience.fr/category/exposition/ — 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.
  • http://maisondelascience.fr/conferences/ — 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.
  • http://maisondelascience.fr/conseil-dadministration/ — 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.
  • http://maisondelascience.fr/contactez-nous/ — 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.
  • http://maisondelascience.fr/exposition-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.
  • http://maisondelascience.fr/informations-et-plan-conference-axel-kahn/ — 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.
  • http://maisondelascience.fr/la-maison-de-la-science-a-lhonneur-de-recevoir-son-parrain-axel-kahn/ — 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.
  • http://maisondelascience.fr/les-clubs/ — 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.
  • http://maisondelascience.fr/les-clubs/club-science/ — 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.
  • http://maisondelascience.fr/qui-sommes-nous/ — 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://maisondelascience.fr/ — 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://maisondelascience.fr/anniversaires-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://maisondelascience.fr/ateliers-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://maisondelascience.fr/catalogue-etablissement-scolaire-3/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://maisondelascience.fr/catalogue-famille/ — 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://maisondelascience.fr/catalogue-groupe-de-loisirs/ — 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://maisondelascience.fr/conferences-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://maisondelascience.fr/exposition-3/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://maisondelascience.fr/les-clubs-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://maisondelascience.fr/presse-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://maisondelascience.fr/qui-sommes-nous-3/ — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
  • https://maisondelascience.fr/reservation/ — 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 · 36 occurrence(s)

  • http://maisondelascience.fr/anniversaires/ — 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.
  • http://maisondelascience.fr/ateliers/ — 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.
  • http://maisondelascience.fr/author/admin/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • http://maisondelascience.fr/category/exposition/ — 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.
  • http://maisondelascience.fr/conferences/ — 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.
  • http://maisondelascience.fr/conseil-dadministration/ — 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.
  • http://maisondelascience.fr/contactez-nous/ — 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.
  • http://maisondelascience.fr/exposition-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.
  • http://maisondelascience.fr/informations-et-plan-conference-axel-kahn/ — 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.
  • http://maisondelascience.fr/la-maison-de-la-science-a-lhonneur-de-recevoir-son-parrain-axel-kahn/ — 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.
  • http://maisondelascience.fr/les-clubs/ — 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.
  • http://maisondelascience.fr/les-clubs/club-science/ — 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.
  • http://maisondelascience.fr/qui-sommes-nous/ — 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://maisondelascience.fr/ — 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://maisondelascience.fr/anniversaires-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://maisondelascience.fr/ateliers-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://maisondelascience.fr/catalogue-etablissement-scolaire-3/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://maisondelascience.fr/catalogue-famille/ — 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://maisondelascience.fr/catalogue-groupe-de-loisirs/ — 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://maisondelascience.fr/conferences-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://maisondelascience.fr/exposition-3/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://maisondelascience.fr/les-clubs-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://maisondelascience.fr/presse-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://maisondelascience.fr/qui-sommes-nous-3/ — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
  • https://maisondelascience.fr/reservation/ — 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 Deep page has no BreadcrumbList structured data

Rule schema.breadcrumb_missing · Structured Data · 5 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 14 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 28 occurrence(s)

notice Indexable page not listed in sitemap

Rule sitemap.orphan_not_listed · Sitemap · 20 occurrence(s)

notice Missing Twitter Card tag

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

notice URL is very long

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

notice Underscores in URL path (prefer hyphens)

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

notice Uppercase letters in URL path

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

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
http://maisondelascience.fr/
Maison de la Science Hubert Curien – Sciensibilisez-vous !		 200 yes 154 49
http://maisondelascience.fr/contact-mail/
Jolys_Contact Mail – Maison de la Science Hubert Curien		 200 yes 89 14
https://maisondelascience.fr/
Maison de la Science Hubert Curien – Sciensibilisez-vous !		 200 yes 154 14
https://maisondelascience.fr/anniversaires-2/
Jolys_Anniversaires – Maison de la Science Hubert Curien		 200 yes 244 14
https://maisondelascience.fr/ateliers-2/
Jolys_Ateliers – Maison de la Science Hubert Curien		 200 yes 397 14
https://maisondelascience.fr/catalogue-etablissement-scolaire-3/
Jolys_CatalogueEtablissementScolaire – Maison de la Science Hubert Curien		 200 yes 158 14
https://maisondelascience.fr/catalogue-famille/
Jolys_CatalogueFamille – Maison de la Science Hubert Curien		 200 yes 191 14
https://maisondelascience.fr/catalogue-groupe-de-loisirs/
Jolys_CatalogueGroupedeLoisirs – Maison de la Science Hubert Curien		 200 yes 162 14
https://maisondelascience.fr/conferences-2/
Jolys_Conférences – Maison de la Science Hubert Curien		 200 yes 72 14
https://maisondelascience.fr/conseil-dadministration-2/
Jolys-Conseil d’administration – Maison de la Science Hubert Curien		 200 yes 113 14
https://maisondelascience.fr/contactez-nous-2/
Jolys-Contactez-nous – Maison de la Science Hubert Curien		 200 yes 150 14
https://maisondelascience.fr/exposition-3/
Jolys_Exposition – Maison de la Science Hubert Curien		 200 yes 87 14
https://maisondelascience.fr/les-clubs-2/
Jolys_LesClubs – Maison de la Science Hubert Curien		 200 yes 79 14
https://maisondelascience.fr/presse-2/
Jolys-Presse_20Juillet2020 – Maison de la Science Hubert Curien		 200 yes 77 14
https://maisondelascience.fr/qui-sommes-nous-3/
Jolys_QuiSommesNous – Maison de la Science Hubert Curien		 200 yes 444 14
https://maisondelascience.fr/reservation/
Réservation – Maison de la Science Hubert Curien		 200 yes 254 14
http://maisondelascience.fr/contactez-nous/
Contactez-nous ! – Maison de la Science Hubert Curien		 200 yes 465 6
http://maisondelascience.fr/author/admin/
Direction – Maison de la Science – Maison de la Science Hubert Curien		 200 yes 158 4
http://maisondelascience.fr/category/exposition/
Exposition – Maison de la Science Hubert Curien		 200 yes 153 4
http://maisondelascience.fr/informations-et-plan-conference-axel-kahn/
Informations et plan conférence Axel Kahn – Maison de la Science Hubert Curien		 200 yes 133 4
http://maisondelascience.fr/la-maison-de-la-science-a-lhonneur-de-recevoir-son-parrain-axel-kahn/
La maison de la science à l’honneur de recevoir son parrain Axel Kahn – Maison de la Science Hubert Curien		 200 yes 87 4
http://maisondelascience.fr/wp-login.php?redirect_to=http%3A%2F%2Fmaisondelascience.fr%2Finformations-et-plan-conference-axel-kahn%2F
Se connecter ‹ Maison de la Science Hubert Curien — WordPress		 200 no 28 1
http://maisondelascience.fr/les-clubs/club-robotique/
Club Robotique – Maison de la Science Hubert Curien		 200 yes 422 1
http://maisondelascience.fr/les-clubs/club-science/
Club Science – Maison de la Science Hubert Curien		 200 yes 379 1
http://maisondelascience.fr/catalogue-etablissement-scolaire-2/
Catalogue Établissement scolaire – Maison de la Science Hubert Curien		 200 yes 39 1
http://maisondelascience.fr/catalogue-etablissement-scolaire/
Catalogue Groupe de loisirs – Maison de la Science Hubert Curien		 200 yes 42 1
http://maisondelascience.fr/catalogue/
Catalogue Famille – Maison de la Science Hubert Curien		 200 yes 120 1
http://maisondelascience.fr/club-robotique/
Jolys_ClubRobotique – Maison de la Science Hubert Curien		 200 yes 201 1
http://maisondelascience.fr/club-science-2/
Jolys_ClubScience – Maison de la Science Hubert Curien		 200 yes 164 1
http://maisondelascience.fr/anniversaires/
Anniversaires – Maison de la Science Hubert Curien		 200 yes 206 0
http://maisondelascience.fr/ateliers/
Ateliers – Maison de la Science Hubert Curien		 200 yes 636 0
http://maisondelascience.fr/conferences/
Autour de l’exposition – Maison de la Science Hubert Curien		 200 yes 1038 0
http://maisondelascience.fr/conseil-dadministration/
Conseil d’Administration – Maison de la Science Hubert Curien		 200 yes 269 0
http://maisondelascience.fr/exposition-2/
Exposition – Maison de la Science Hubert Curien		 200 yes 700 0
http://maisondelascience.fr/les-clubs/
Les Clubs – Maison de la Science Hubert Curien		 200 yes 169 0
http://maisondelascience.fr/qui-sommes-nous/
Qui sommes nous ? – Maison de la Science Hubert Curien		 200 yes 1885 0
http://maisondelascience.fr/activites-periscolaire/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/author/admin/page/2/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/bonnes-vacances/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/les-clubs/club-astronomie/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/les-clubs/graine-de-genie/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/project/de-limage-fixe-a-limage-animee/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/project/persistance-retinienne/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/project/peut-on-diriger-la-lumiere/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/project/refraction-de-la-lumiere/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/project_category/lumieres-images/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/reprise-des-clubs/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/sciences-puissance-troyes/
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 0
http://maisondelascience.fr/wp-content/uploads/2014/12/Affiche-Axel-Kahn-copie.pdf
Page non trouvée – Maison de la Science Hubert Curien		 404 no 61 1
http://maisondelascience.fr/wp-content/uploads/logo-sainte-savine.png 200 no 0 2

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