What powers 4foun.cz?
Last seen Jun 2026 · 16 technologies across 14 categories
Analytics
Google Analytics
since May 2021
Ecommerce
Cart Functionality
since Dec 2021
Font scripts
Google Font API
since Jul 2022
JavaScript libraries
Maps
Google Maps
since Jan 2023
Miscellaneous
Operating systems
Debian
since Jul 2022
Performance
Priority Hints
since Aug 2025
Programming languages
PHP
since May 2021
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Nette Framework
since May 2021
Web servers
Widgets
Elfsight
since Aug 2025
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.39 / 10 · ranked #39,363,603 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.7 MB · 30 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Debian Jun 2026
- dropped Google Hosted Libraries Sep 2025
- detected Elfsight Aug 2025
- detected Priority Hints Aug 2025