What powers 
cnrs.fr?
Last seen Sep 2026 · 426 technologies across 55 categories
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AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
- Aug 2026 *: Allowed (was Restricted)
- Aug 2026 *: Restricted (was Allowed)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| science | #64 | 520 |
| cnrs | #1 | 490 |
| shnobel prize | #5 | 310 |
| where did horses originate | #5 | 210 |
| static shock | #74 | 130 |
| cnrs france | #1 | 120 |
| axons | #6 | 92 |
| triple negative breast cancer | #89 | 78 |
| plesiosaur | #18 | 73 |
| when were horses domesticated | #4 | 66 |
| centre nationale de recherche scientifique | #1 | 64 |
| centromere | #64 | 57 |
| frances de la tour | #89 | 57 |
| the first | #29 | 38 |
| reductive | #77 | 38 |
| static electricity | #73 | 38 |
| frigate bird | #25 | 38 |
| domesticated donkeys | #2 | 34 |
| where did horses come from | #6 | 33 |
| martian surface | #93 | 31 |
| la mission | #92 | 29 |
| blood type neanderthal | #2 | 28 |
| global warming con | #2 | 28 |
| cnr | #94 | 25 |
| how far does the atmosphere extend | #3 | 25 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 69% desktop
- 30% phone
- 1% tablet
France
India
Italy
Tunisia
Morocco
Pakistan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.82 / 10 · ranked #746 of all domains
14,819 referring domains · OpenPageRank
Search traffic
4,300 est. monthly organic visits (US)
2,992 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French (France)
- Weight: 1.4 MB · 156 requests
- WordPress theme: hello-elementor (child: hello-elementor-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
- usp.br 116 shared
- sch.gr 112 shared
- ufmg.br 82 shared
- wroc.pl 95 shared
ufrj.br 95 sharedkrakow.pl 111 shared
cnr.it 83 shared
poznan.pl 104 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- National Center for Scientific Research
- Founded: 1939
- Sector: research and development in other physical and natural sciences, research
- Country: France
From Wikidata (CC0).
Infrastructure
- Registered Dec 1994 (31 years) via GIP RENATER, renews Dec 2026
- Hosted on CEGEDIM (80.94.184.70)
- DNS: cnrs.fr
- Email: cnrs.fr
- Email security: SPF, DMARC monitor only
- SSL: HARICA, RSA 4096, expires Feb 2027
- Common Crawl link graph: rank 2,185, 4,382 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gdr-organoides.cnrs.fr | 35 |
| alumni.cnrs.fr | 34 |
| arna.cnrs.fr | 32 |
| cefrepa.cnrs.fr | 31 |
| lcts.cnrs.fr | 29 |
| www.igh.cnrs.fr | 29 |
| alsace.caes.cnrs.fr | 28 |
| lem-umr8584.cnrs.fr | 28 |
| lten.cnrs.fr | 27 |
| www.caes.cnrs.fr | 27 |
| www.imm.cnrs.fr | 27 |
| centrerolandmousnier.cnrs.fr | 26 |
| rtmfm.cnrs.fr | 26 |
| sfeca.cnrs.fr | 26 |
| site-dev.m2c.cnrs.fr | 26 |
| frenchbic.cnrs.fr | 25 |
| geographie-cites.cnrs.fr | 25 |
| icb.cnrs.fr | 25 |
| ict.cnrs.fr | 25 |
| rapports-du-comite-national.cnrs.fr | 25 |
| www.craham.cnrs.fr | 25 |
| www.ibgc.cnrs.fr | 25 |
| apollonlaserfacility.cnrs.fr | 24 |
| centredeconomiesorbonne.cnrs.fr | 24 |
Full technology history →
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Recent changes
- detected FlexSlider Sep 2026
- detected RxJS Sep 2026
- dropped BugSnag Aug 2026
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- detected LazySizes unveilhooks plugin Feb 2026
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- detected Umami Jan 2026
- detected SVG Support Dec 2025
- dropped Asgaros Forum Nov 2025