What powers crater.cz?
Last seen Jun 2026 · 7 technologies across 6 categories
JavaScript libraries
Miscellaneous
HTTP/3
since Mar 2024
Operating systems
Windows Server
since May 2020
Security
HSTS
since Mar 2024
Web frameworks
Web servers
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.60 / 10 · ranked #5,690,811 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 126 requests
Homepage as crawled by the HTTP Archive, Jul 2026.