What powers frencl.cz?
Last seen Jun 2026 · 14 technologies across 8 categories
Analytics
Ahrefs
since Jul 2025
Google Analytics
since Feb 2019
Font scripts
Google Font API
since Jul 2025
JavaScript frameworks
Stimulus
since Jul 2025
JavaScript libraries
Programming languages
PHP
since Sep 2021
Security
Tag managers
Google Tag Manager
since Jul 2025
UI frameworks
Bootstrap
since Oct 2025
Audience
- 82% phone
- 18% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.31 / 10 · ranked #8,534,483 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.8 MB · 35 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Bootstrap Jun 2026
- detected jQuery Jun 2026
- detected jQuery UI Jun 2026
- detected reCAPTCHA Jun 2026
- detected Select2 Jun 2026
- dropped Bootstrap May 2026
- dropped jQuery May 2026
- dropped jQuery UI May 2026
- dropped reCAPTCHA May 2026
- dropped Select2 May 2026
- detected Bootstrap Mar 2026
- detected jQuery Mar 2026
- detected jQuery UI Mar 2026
- detected reCAPTCHA Mar 2026
- detected Select2 Mar 2026
- dropped Bootstrap Dec 2025
- dropped jQuery Dec 2025
- dropped jQuery UI Dec 2025
- dropped reCAPTCHA Dec 2025
- dropped Select2 Dec 2025
- detected Bootstrap Oct 2025
- detected jQuery Oct 2025
- detected jQuery UI Oct 2025
- detected reCAPTCHA Oct 2025
- detected Select2 Oct 2025
- dropped Google Hosted Libraries Aug 2025
- dropped jQuery Aug 2025
- dropped jQuery CDN Aug 2025
- dropped jQuery UI Aug 2025