SEO audit for paris-saclay-spring.com
Paris Saclay Spring | L’évènement où la deeptech rencontre le business
Health 65/100 (fair) · 14 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)Un rendez-vous concentré sur une journée, pensé pour offrir aux entreprises et investisseurs un accès privilégié aux chercheurs, projets de prématuration, startups et grands industriels de l’écosystèm…
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Performance | 40 | 0 | 28 | 28 |
| Agent Readiness | 70 | 0 | 14 | 15 |
| Headings | 70 | 0 | 14 | 0 |
| Canonical | 79 | 0 | 10 | 2 |
| Duplicate | 89 | 0 | 5 | 0 |
| Structured Data | 91 | 0 | 4 | 3 |
| Budget | 96 | 0 | 2 | 0 |
| Content | 96 | 0 | 2 | 3 |
| Indexability | 96 | 0 | 2 | 0 |
| Meta Description | 98 | 0 | 1 | 6 |
| Images | 100 | 0 | 0 | 18 |
| Links | 100 | 0 | 0 | 14 |
| Security | 100 | 0 | 0 | 28 |
| Social | 100 | 0 | 0 | 2 |
| Titles | 100 | 0 | 0 | 1 |
Warnings (13 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 14 occurrence(s)
- https://paris-saclay-spring.com/ — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/en — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/en/legal-notices — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/en/practical-information — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/en/program — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/en/spring-120 — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/en/start-up — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/en/why-visit — 10 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/infos-pratiques — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/mentions-legales — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/pourquoi-venir — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/programme — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/spring-120 — 3 button/link(s) with no text or aria-label — an agent can't target them
- https://paris-saclay-spring.com/start-up — 3 button/link(s) with no text or aria-label — an agent can't target them
warning Noindex page receives internal links (crawl-budget waste)
Rule budget.noindex_linked · Budget · 2 occurrence(s)
- https://paris-saclay-spring.com/en/legal-notices — this noindex page has 7 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://paris-saclay-spring.com/en, https://paris-saclay-spring.com/en/program, https://paris-saclay-spring.com/en/spring-120.
- https://paris-saclay-spring.com/en/start-up — this noindex page has 7 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://paris-saclay-spring.com/en, https://paris-saclay-spring.com/en/program, https://paris-saclay-spring.com/en/spring-120.
warning Missing canonical tag
Rule canonical.missing · Canonical · 10 occurrence(s)
- https://paris-saclay-spring.com/
- https://paris-saclay-spring.com/en
- https://paris-saclay-spring.com/en/practical-information
- https://paris-saclay-spring.com/en/spring-120
- https://paris-saclay-spring.com/en/why-visit
- https://paris-saclay-spring.com/infos-pratiques
- https://paris-saclay-spring.com/mentions-legales
- https://paris-saclay-spring.com/pourquoi-venir
- https://paris-saclay-spring.com/spring-120
- https://paris-saclay-spring.com/start-up
warning Thin content (low word count)
Rule content.thin · Content · 2 occurrence(s)
- https://paris-saclay-spring.com/ — 155 words
- https://paris-saclay-spring.com/en — 142 words
warning Near-duplicate page content
Rule duplicate.near · Duplicate · 2 occurrence(s)
- https://paris-saclay-spring.com/en/spring-120 — near-duplicate of 1 page(s): https://paris-saclay-spring.com/spring-120
- https://paris-saclay-spring.com/spring-120 — near-duplicate of 1 page(s): https://paris-saclay-spring.com/en/spring-120
warning Homepage duplicated across protocol/host variants (no redirect)
Rule duplicate.protocol_host · Duplicate · 1 occurrence(s)
- https://paris-saclay-spring.com/ — https://www.paris-saclay-spring.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 · 2 occurrence(s)
- https://paris-saclay-spring.com/en/spring-120 — title shared by 2 pages: https://paris-saclay-spring.com/spring-120
- https://paris-saclay-spring.com/spring-120 — title shared by 2 pages: https://paris-saclay-spring.com/en/spring-120
warning Missing <h1>
Rule h1.missing · Headings · 14 occurrence(s)
- https://paris-saclay-spring.com/
- https://paris-saclay-spring.com/en
- https://paris-saclay-spring.com/en/legal-notices
- https://paris-saclay-spring.com/en/practical-information
- https://paris-saclay-spring.com/en/program
- https://paris-saclay-spring.com/en/spring-120
- https://paris-saclay-spring.com/en/start-up
- https://paris-saclay-spring.com/en/why-visit
- https://paris-saclay-spring.com/infos-pratiques
- https://paris-saclay-spring.com/mentions-legales
- https://paris-saclay-spring.com/pourquoi-venir
- https://paris-saclay-spring.com/programme
- https://paris-saclay-spring.com/spring-120
- https://paris-saclay-spring.com/start-up
warning Hero/LCP image is lazy-loaded (loading=lazy delays LCP)
Rule images.no_lazy_lcp_candidate · Performance · 14 occurrence(s)
- https://paris-saclay-spring.com/ — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/en — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/en/legal-notices — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/en/practical-information — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/en/program — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/en/spring-120 — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/en/start-up — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/en/why-visit — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/infos-pratiques — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/mentions-legales — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/pourquoi-venir — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/programme — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/spring-120 — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- https://paris-saclay-spring.com/start-up — the likely hero/LCP image (69a56eee8157e7e594913346_parissaclay_spring%20logo.svg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
warning Page is noindex
Rule index.noindex · Indexability · 2 occurrence(s)
- https://paris-saclay-spring.com/en/legal-notices — meta/X-Robots: meta=noindex
- https://paris-saclay-spring.com/en/start-up — meta/X-Robots: meta=noindex
warning Missing meta description
Rule meta_desc.missing · Meta Description · 1 occurrence(s)
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 14 occurrence(s)
- https://paris-saclay-spring.com/ — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/en — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/en/legal-notices — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/en/practical-information — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/en/program — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/en/spring-120 — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/en/start-up — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/en/why-visit — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/infos-pratiques — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/mentions-legales — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/pourquoi-venir — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/programme — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/spring-120 — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- https://paris-saclay-spring.com/start-up — 1 render-blocking <script> in <head> (add defer/async or use type=module)
warning Structured-data date has already passed (stale event/job/offer)
Rule schema.stale_date · Structured Data · 4 occurrence(s)
- https://paris-saclay-spring.com/ — Event.startDate is in the past (2026-06-02) — Google may stop showing this event/job/offer in rich results. Update the date or remove the markup from expired content.
- https://paris-saclay-spring.com/en — Event.startDate is in the past (2026-06-02) — Google may stop showing this event/job/offer in rich results. Update the date or remove the markup from expired content.
- https://paris-saclay-spring.com/en/spring-120 — Event.startDate is in the past (2026-06-02) — Google may stop showing this event/job/offer in rich results. Update the date or remove the markup from expired content.
- https://paris-saclay-spring.com/spring-120 — Event.startDate is in the past (2026-06-02) — Google may stop showing this event/job/offer in rich results. Update the date or remove the markup from expired content.
Notices (17 rules)
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://paris-saclay-spring.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 · 14 occurrence(s)
- https://paris-saclay-spring.com/ — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/en — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/en/legal-notices — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/en/practical-information — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/en/program — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/en/spring-120 — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/en/start-up — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/en/why-visit — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/infos-pratiques — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/mentions-legales — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/pourquoi-venir — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/programme — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/spring-120 — add a <main> element (or role=main) around the primary content
- https://paris-saclay-spring.com/start-up — add a <main> element (or role=main) around the primary content
notice Canonical points to a different URL
Rule canonical.non_self · Canonical · 2 occurrence(s)
- https://paris-saclay-spring.com/en/program — canonical=https://cdn.prod.website-files.com/69a55d5905c6a88a8bc67fee/69aebc4ede5f998576a37b51_OG_Spring_FR.avif
- https://paris-saclay-spring.com/programme — canonical=https://cdn.prod.website-files.com/69a55d5905c6a88a8bc67fee/69aebc4ede5f998576a37b51_OG_Spring_FR.avif
notice Low text-to-HTML ratio
Rule content.low_ratio · Content · 3 occurrence(s)
notice Image alt text is keyword-stuffed (repetition / low variety)
Rule images.alt_stuffed · Images · 2 occurrence(s)
- https://paris-saclay-spring.com/en/start-up — 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.
- https://paris-saclay-spring.com/start-up — 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 Image alt text is very long (possible keyword stuffing)
Rule images.alt_too_long · Images · 2 occurrence(s)
- https://paris-saclay-spring.com/en/practical-information — 1 image(s) with alt text over 100 chars — shorten it to a concise description
- https://paris-saclay-spring.com/infos-pratiques — 1 image(s) with alt text over 100 chars — shorten it to a concise description
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 14 occurrence(s)
- https://paris-saclay-spring.com/ — 19 of 19 images without width/height
- https://paris-saclay-spring.com/en — 19 of 19 images without width/height
- https://paris-saclay-spring.com/en/legal-notices — 14 of 14 images without width/height
- https://paris-saclay-spring.com/en/practical-information — 63 of 63 images without width/height
- https://paris-saclay-spring.com/en/program — 23 of 23 images without width/height
- https://paris-saclay-spring.com/en/spring-120 — 256 of 256 images without width/height
- https://paris-saclay-spring.com/en/start-up — 71 of 71 images without width/height
- https://paris-saclay-spring.com/en/why-visit — 23 of 23 images without width/height
- https://paris-saclay-spring.com/infos-pratiques — 63 of 63 images without width/height
- https://paris-saclay-spring.com/mentions-legales — 14 of 14 images without width/height
- https://paris-saclay-spring.com/pourquoi-venir — 23 of 23 images without width/height
- https://paris-saclay-spring.com/programme — 23 of 23 images without width/height
- https://paris-saclay-spring.com/spring-120 — 256 of 256 images without width/height
- https://paris-saclay-spring.com/start-up — 71 of 71 images without width/height
notice Internal link has no anchor text / accessible name
Rule links.no_anchor_text · Links · 14 occurrence(s)
- https://paris-saclay-spring.com/ — 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://paris-saclay-spring.com/en — 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://paris-saclay-spring.com/en/legal-notices — 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://paris-saclay-spring.com/en/practical-information — 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://paris-saclay-spring.com/en/program — 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://paris-saclay-spring.com/en/spring-120 — 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://paris-saclay-spring.com/en/start-up — 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://paris-saclay-spring.com/en/why-visit — 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://paris-saclay-spring.com/infos-pratiques — 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://paris-saclay-spring.com/mentions-legales — 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://paris-saclay-spring.com/pourquoi-venir — 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://paris-saclay-spring.com/programme — 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://paris-saclay-spring.com/spring-120 — 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://paris-saclay-spring.com/start-up — 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 · 6 occurrence(s)
- https://paris-saclay-spring.com/ — 261 chars
- https://paris-saclay-spring.com/en — 235 chars
- https://paris-saclay-spring.com/en/why-visit — 319 chars
- https://paris-saclay-spring.com/pourquoi-venir — 366 chars
- https://paris-saclay-spring.com/spring-120 — 164 chars
- https://paris-saclay-spring.com/start-up — 165 chars
notice Missing Open Graph tags
Rule og.missing · Social · 1 occurrence(s)
- https://paris-saclay-spring.com/mentions-legales — og:description
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 14 occurrence(s)
- https://paris-saclay-spring.com/ — 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://paris-saclay-spring.com/en — 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://paris-saclay-spring.com/en/legal-notices — 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://paris-saclay-spring.com/en/practical-information — 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://paris-saclay-spring.com/en/program — 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://paris-saclay-spring.com/en/spring-120 — 246 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://paris-saclay-spring.com/en/start-up — 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://paris-saclay-spring.com/en/why-visit — 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://paris-saclay-spring.com/infos-pratiques — 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://paris-saclay-spring.com/mentions-legales — 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://paris-saclay-spring.com/pourquoi-venir — 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://paris-saclay-spring.com/programme — 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://paris-saclay-spring.com/spring-120 — 246 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://paris-saclay-spring.com/start-up — 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.
notice No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 14 occurrence(s)
- https://paris-saclay-spring.com/ — 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://paris-saclay-spring.com/en — 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://paris-saclay-spring.com/en/legal-notices — 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://paris-saclay-spring.com/en/practical-information — 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://paris-saclay-spring.com/en/program — 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://paris-saclay-spring.com/en/spring-120 — 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://paris-saclay-spring.com/en/start-up — 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://paris-saclay-spring.com/en/why-visit — 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://paris-saclay-spring.com/infos-pratiques — 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://paris-saclay-spring.com/mentions-legales — 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://paris-saclay-spring.com/pourquoi-venir — 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://paris-saclay-spring.com/programme — 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://paris-saclay-spring.com/spring-120 — 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://paris-saclay-spring.com/start-up — 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 structured data detected
Rule schema.none · Structured Data · 3 occurrence(s)
notice Missing recommended security headers
Rule security.missing_headers · Security · 14 occurrence(s)
- https://paris-saclay-spring.com/ — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/en — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/en/legal-notices — X-Content-Type-Options, CSP
- https://paris-saclay-spring.com/en/practical-information — X-Content-Type-Options, CSP
- https://paris-saclay-spring.com/en/program — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/en/spring-120 — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/en/start-up — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/en/why-visit — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/infos-pratiques — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/mentions-legales — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/pourquoi-venir — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/programme — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/spring-120 — CSP, X-Content-Type-Options
- https://paris-saclay-spring.com/start-up — CSP, X-Content-Type-Options
notice target=_blank link without rel=noopener (tab-napping)
Rule security.unsafe_cross_origin_links · Security · 14 occurrence(s)
- https://paris-saclay-spring.com/ — 14 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/en — 14 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/en/legal-notices — 20 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/en/practical-information — 24 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/en/program — 12 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/en/spring-120 — 12 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/en/start-up — 16 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/en/why-visit — 13 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/infos-pratiques — 25 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/mentions-legales — 19 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/pourquoi-venir — 13 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/programme — 12 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/spring-120 — 12 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- https://paris-saclay-spring.com/start-up — 16 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
notice Title is very short
Rule title.too_short · Titles · 1 occurrence(s)
notice Missing Twitter Card tag
Rule twitter.missing · Social · 1 occurrence(s)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://paris-saclay-spring.com/ Paris Saclay Spring | L’évènement où la deeptech rencontre le business |
200 | yes | 155 | 14 |
| https://paris-saclay-spring.com/mentions-legales Mentions légales |
200 | yes | 712 | 14 |
| https://paris-saclay-spring.com/pourquoi-venir Paris Saclay Spring | Pourquoi participer ? |
200 | yes | 292 | 8 |
| https://paris-saclay-spring.com/spring-120 Paris Saclay Spring | Spring 120 |
200 | yes | 1102 | 8 |
| https://paris-saclay-spring.com/en Paris-Saclay SPRING | Where Deeptech meet Business |
200 | yes | 142 | 7 |
| https://paris-saclay-spring.com/infos-pratiques Paris Saclay Spring | Infos pratiques |
200 | yes | 485 | 7 |
| https://paris-saclay-spring.com/programme Paris Saclay Spring | Tout le programme |
200 | yes | 284 | 7 |
| https://paris-saclay-spring.com/start-up Paris Saclay Spring | Startup |
200 | yes | 812 | 7 |
| https://paris-saclay-spring.com/en/legal-notices Legal Notices |
200 | no | 671 | 7 |
| https://paris-saclay-spring.com/en/practical-information Paris Saclay Spring | Practical Information |
200 | yes | 508 | 7 |
| https://paris-saclay-spring.com/en/program Paris Saclay Spring | Full program |
200 | yes | 282 | 7 |
| https://paris-saclay-spring.com/en/spring-120 Paris Saclay Spring | Spring 120 |
200 | yes | 1085 | 7 |
| https://paris-saclay-spring.com/en/start-up Paris Saclay Spring | Startup |
200 | no | 757 | 7 |
| https://paris-saclay-spring.com/en/why-visit Paris Saclay Spring | Why attend ? |
200 | yes | 262 | 7 |
Audit your own site — free
157 checks, internal PageRank, render-diff. No signup, results in ~30s.