What powers centraliens-lyon.net?
Last seen Oct 2026 · 20 technologies across 11 categories
CDN
Editors
Font scripts
JavaScript libraries
Maps
Miscellaneous
Programming languages
Rich text editors
Security
UI frameworks
Web servers
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- GPTBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 61% desktop
- 39% phone
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.75 / 10 · ranked #2,087,635 of all domains
48 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
6 keywords in Google's top 30
Core Web Vitals
| LCP | 2.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: French
- Weight: 9.0 MB · 126 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on OVHcloud (51.91.139.53)
- DNS: cusae.com
- Email: netanswer.fr
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 3,005,041, 2 hosts
- Verified with: Google, Meta Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Raygun Dec 2025