What powers istef.fr?
Last seen Aug 2026 · 35 technologies across 21 categories
Analytics
Google Analytics
since Jan 2019
CMS
Cookie compliance
Axeptio
since Oct 2024
Databases
MySQL
since Jan 2019
Mailjet
since Aug 2022
Hosting panels
Plesk
since Jan 2019
JavaScript frameworks
JavaScript libraries
Swiper
since Apr 2024
LMS
Moodle
since Jan 2025
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Debian
since Jan 2025
Windows Server
since Jul 2024
Page builders
Bricks
since Apr 2024
WordPress Block Editor
since Dec 2024
Performance
Priority Hints
since Apr 2024
Programming languages
Security
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Video players
VideoJS
since Jan 2025
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Gutenberg
since Mar 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% phone
- 34% desktop
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.00 / 10 · ranked #1,590,633 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: French (France)
- Weight: 3.8 MB · 140 requests
- WordPress theme: bricks (child: theme-istef) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- ISTEF
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ATARAXIE-AS (91.206.199.20)
- DNS: ataraxie.fr
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 11,400,114, 5 hosts
- Verified with: Brevo, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.istef.fr | 25 |
| moodle.istef.fr | 12 |
| completel.istef.fr | 5 |