What powers cerny.fr?
Last seen Jun 2026 · 20 technologies across 13 categories
Analytics
Instana
since Sep 2021
Matomo Analytics
since Sep 2024
CDN
cdnjs
since Jan 2022
Cloudflare
since May 2022
Comment systems
Livefyre
since Sep 2021
Font scripts
Google Font API
since Sep 2021
JavaScript graphics
Chart.js
since Sep 2021
JavaScript libraries
Maps
Leaflet
since Sep 2021
Miscellaneous
Open Graph
since Sep 2022
Popper
since May 2022
Programming languages
Security
Cloudflare Bot Management
since May 2025
UI frameworks
Web servers
Nginx
since Sep 2021
Webmail
Microsoft 365
since Aug 2022
Audience
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.14 / 10 · ranked #3,243,194 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: French
- Weight: 7.1 MB · 94 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| cerny.fr | 20 |
| www.cerny.fr | 20 |
Full technology history →
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Recent changes
- dropped Emotion Oct 2025
- dropped Lodash Oct 2025
- dropped React Oct 2025
- dropped styled-components Oct 2025