What powers prepa-dorian.fr?
Last seen Oct 2026 · 18 technologies across 12 categories
CDN
cdnjs
since Oct 2026
Cloudflare
since Oct 2026
Font scripts
Font Awesome
since Dec 2024
Google Font API
since Oct 2026
JavaScript frameworks
React
since Dec 2024
JavaScript graphics
JavaScript libraries
Message boards
Vanilla
since Oct 2026
Miscellaneous
Open Graph
since Oct 2026
RSS
since Oct 2026
PaaS
OVHcloud
since Dec 2024
Programming languages
Security
UI frameworks
Bootstrap
since Oct 2026
Tailwind CSS
since Dec 2024
Web servers
Apache HTTP Server
since Jul 2026
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
0.37 / 10 · ranked #42,567,776 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 3.6 MB · 16 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on OVHcloud (164.132.235.17, IPv6)
- DNS: OVHcloud
- Email: OVHcloud
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 70,447,419
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| forum.prepa-dorian.fr | 14 |
| www.prepa-dorian.fr | 7 |