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SGSiteGraph

cnrs.fr

Centre national de la recherche scientifique (CNRS)

Last scanned Jul 21, 2026, 11:37 AM · 1 view

87

Overall score

Great

Top issues to fix

3 issues found · 1 high priority

  • Slow estimated load (5.5s)

    Performance

    Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

Summary

Acteur majeur de la recherche fondamentale et de l’innovation à l’échelle mondiale, le Centre national de la recherche scientifique (CNRS) est le seul organisme français actif dans tous les domaines scientifiques. This website uses Drupal hosted on CEGEDIM - Cegedim.Cloud SASU, FR. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance fair (65/100). Top issue: Meta description longer than 160 characters.

85

SEO

2 issue(s) found

65

Performance

5.54 s

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

YouTubeYouTubeX (Twitter)LinkedInInstagramYouTube

Meta tags

Title
Centre national de la recherche scientifique (CNRS)
Description
Acteur majeur de la recherche fondamentale et de l’innovation à l’échelle mondiale, le Centre national de la recherche scientifique (CNRS) est le seul organisme français actif dans tous les domaines scientifiques. Ensemble, les sciences se mettent au service d’un progrès durable qui bénéficie à toute la société.
Canonical
https://www.cnrs.fr/fr
Language
fr
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
index, follow
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Centre national de la recherche scientifique (CNRS)
og:description
—
og:type
Page d'accueil
og:url
https://www.cnrs.fr/

Twitter Card

twitter:card
summary_large_image
twitter:title
Accueil CNRS (CNRS)
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

DrupaljQuery

Hosting & CDN

CDN provider
—
IP address
80.94.184.70
ASN
AS12601 (CEGEDIM - Cegedim.Cloud SASU, FR)

DNS records

TypeValue
A
  • 80.94.184.70
AAAA—
MX—
TXT—
NS—
CAA—
CNAME
  • sites-dircom.cnrs.fr
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Hellenic Academic and Research Institutions CA
Subject
www.cnrs.fr
Valid from
Apr 10, 2026
Valid to
Oct 26, 2026
Days until expiry
96
SAN domains
www.cnrs.fr, www.insb.cnrs.fr, www.marketing.cnrs.fr, www.in2p3.cnrs.fr, insmi.cnrs.fr, www.fondcnrs.fr, inshs.cnrs.fr, www.inc.cnrs.fr, www.ins2i.cnrs.fr, inp.cnrs.fr, ins2i.cnrs.fr, www.inshs.cnrs.fr, www.inp.cnrs.fr, inc.cnrs.fr, in2p3.cnrs.fr, insis.cnrs.fr, www.insmi.cnrs.fr, insu.cnrs.fr, marketing.cnrs.fr, inee.cnrs.fr, insb.cnrs.fr, www.inee.cnrs.fr, www.insis.cnrs.fr, www.insu.cnrs.fr, fondcnrs.fr, cnrs.fr

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 11 · H3 7

Links

54 internal · 17 external · 0 broken

Images

20 total · 0 missing alt

Scripts / Styles

11 scripts · 7 stylesheets

JS / CSS size

1.4 MB · 297 KB

Page size

81.3 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
34
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Meta description longer than 160 characters
  • No structured data (JSON-LD) found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://cnrs.fr
Final URL
https://www.cnrs.fr/fr
HTTP status
200
HTTP version
HTTP/2
Response time
5.54 s
HTML size
81.3 KB
Redirect chain
https://cnrs.fr → https://www.cnrs.fr/ → https://www.cnrs.fr/fr

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Frequently asked questions

What technology does cnrs.fr use?
cnrs.fr is built with Drupal, jQuery.
Is cnrs.fr secure (HTTPS)?
Yes. cnrs.fr uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Oct 26, 2026.
Who hosts cnrs.fr?
cnrs.fr is hosted on CEGEDIM - Cegedim.Cloud SASU, FR.
What is cnrs.fr's SEO score?
cnrs.fr scored 85/100 for SEO in the latest analysis (great).
What is cnrs.fr's overall website score?
cnrs.fr has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.