What powers prepa-concours-esa.fr?
Last seen Oct 2026 · 33 technologies across 15 categories
Analytics
Google Analytics
since Jan 2019
Appointment scheduling
Calendly
since Dec 2025
CDN
Bunny
since Oct 2026
Cloudflare
since May 2022
CMS
WordPress
since Dec 2022
Cookie compliance
Databases
MySQL
since Dec 2022
Font scripts
JavaScript libraries
Swiper
since Oct 2023
Miscellaneous
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Dec 2025
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Dec 2022
Web servers
LiteSpeed
since Feb 2026
WordPress plugins
WordPress themes
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.44 / 10 · ranked #7,035,368 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: French (France)
- Weight: 0.4 MB · 12 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on OVHcloud (91.134.5.225)
- DNS: ex2.com
- Email: prepa-concours-esa.fr
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 27,780,964, 2 hosts
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 Bunny Oct 2026
- detected Bunny Fonts Oct 2026
- detected WebFactory Maintenance Oct 2026
- dropped Apache HTTP Server Mar 2026
- dropped IONOS Mar 2026
- detected HTTP/3 Feb 2026
- detected LiteSpeed Feb 2026
- detected Litespeed Cache Feb 2026
- dropped WP Rocket Jan 2026
- detected Calendly Dec 2025
- detected Cloudflare Dec 2025
- detected Cloudflare Bot Management Dec 2025
- detected core-js Dec 2025
- detected Google Analytics Dec 2025
- detected jQuery Dec 2025
- detected jQuery Migrate Dec 2025
- detected jQuery UI Dec 2025
- detected LottieFiles Dec 2025
- detected reCAPTCHA Dec 2025
- detected Swiper Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Underscore.js Dec 2025