What powers 
crnl.fr?
Last seen Oct 2026 · 16 technologies across 10 categories
Analytics
CMS
Font scripts
JavaScript libraries
Operating systems
Performance
Programming languages
UI frameworks
Video players
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| group sleep | #2 | 8 |
| crnl | #12 | 2 |
| bioran | #6 | 1 |
| frontiers in behavioral neuroscience | #14 | 1 |
| ieeg | #16 | 1 |
| cries in pain | #30 | 1 |
| michel jouvet | #9 | 0 |
| konstantina kilteni | #10 | 0 |
| halassa lab | #18 | 0 |
| neuropain | #24 | 0 |
| computational psychiatry conference | #29 | 0 |
| ieeg vs eeg | #29 | 0 |
| planète parent | #30 | 0 |
| frontier in behavioral neuroscience impact factor | #33 | 0 |
| neuroinfo | #36 | 0 |
| tiger l | #37 | 0 |
| karen reilly | #45 | 0 |
| neuroscientist in french | #46 | 0 |
| massimiliano rossi | #50 | 0 |
| l tiger | #54 | 0 |
| la neuroscience | #66 | 0 |
| volunteer neuroscience | #67 | 0 |
| alice gomez | #70 | 0 |
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 robots.txt, all AI crawlers allowed
Audience
- 66% desktop
- 34% phone
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.29 / 10 · ranked #210,169 of all domains
161 referring domains · OpenPageRank
Search traffic
14 est. monthly organic visits (US)
23 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: French
- Weight: 2.1 MB · 94 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Oct 2013 (13 years) via GIP RENATER, renews Oct 2026
- DNS: inserm.fr
- Email: no MX record returned
- SSL: HARICA, ECDSA P256, expires Feb 2027
- Common Crawl link graph: rank 76,121, 5 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| form.crnl.fr | 10 |
| www.crnl.fr | 9 |
| project.crnl.fr | 5 |
Full technology history →
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