What powers feifer.cz?
Last seen Jun 2026 · 24 technologies across 16 categories
Advertising
Twitter Ads
since Jun 2021
Analytics
Google Analytics
since May 2019
Authentication
Facebook Login
since Jun 2021
CDN
Cloudflare
since Mar 2025
Font scripts
Font Awesome
since May 2019
Google Font API
since May 2019
Hosting panels
Plesk
since May 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Programming languages
PHP
since May 2019
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since May 2019
Tag managers
Google Tag Manager
since May 2019
UI frameworks
Web frameworks
Web servers
Nginx
since May 2025
Widgets
Twitter
since May 2019
Audience
- 54% desktop
- 46% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.73 / 10 · ranked #4,765,297 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 7.1 MB · 186 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025