What powers 
istf-formation.fr?
Last seen Sep 2026 · 30 technologies across 17 categories
Analytics
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Web servers
Widgets
WordPress plugins
WordPress themes
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
AI Crawlers
No AI crawlers blocked
Audience
- 70% desktop
- 30% phone
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.25 / 10 · ranked #443,488 of all domains
71 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 3500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French (France)
- Weight: 4.0 MB · 268 requests
- WordPress theme: twentytwenty · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Jun 2008 (18 years) via OVH, renews Jan 2027
- Hosted on OVHcloud (213.186.33.5)
- DNS: OVHcloud
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 7,915,095, 2 hosts
- Verified with: Brevo, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- detected Google Analytics Sep 2026
- detected Site Kit Sep 2026
- detected Apache HTTP Server Jun 2026
- detected Sendinblue Apr 2026
- dropped cdnjs Jan 2026
- dropped Cloudflare Jan 2026
- dropped Bootstrap Nov 2025
- detected cdnjs Nov 2025
- detected Cloudflare Nov 2025
- dropped Colorlib Shapely Nov 2025
- detected Ivory Search Nov 2025
- dropped Mautic Nov 2025
- dropped MyLiveChat Nov 2025
- dropped Twitter Emoji (Twemoji) Nov 2025