What powers 4-fire.cz?
Last seen Jun 2026 · 12 technologies across 8 categories
Authentication
Facebook Login
since Jul 2021
Ecommerce
Cart Functionality
since Apr 2026
Shoptet
since Sep 2020
JavaScript libraries
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Sep 2022
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Sep 2020
UI frameworks
Web servers
Audience
- 57% desktop
- 43% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.41 / 10 · ranked #7,352,702 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.8 MB · 26 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- detected Cart Functionality Apr 2026