What powers essfa.fr?
Last seen Oct 2026 · 4 technologies across 3 categories
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Security
HSTS
since Sep 2022
Widgets
Browser-Update.org
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 68% phone
- 32% desktop
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.31 / 10 · ranked #2,865,904 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French
- Weight: 0.5 MB · 18 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on OVHcloud (137.74.224.119)
- DNS: anycast.me
- Email: OVHcloud
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 16,645,762
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HSTS Dec 2025