What powers kralvin.cz?
Last seen Jun 2026 · 19 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Jan 2019
Programming languages
PHP
since Mar 2023
Security
HSTS
since Mar 2023
Tag managers
Google Tag Manager
since Jan 2022
Video players
YouTube
since Jan 2019
Web frameworks
Web server extensions
Web servers
Apache HTTP Server
since Jan 2019
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.08 / 10 · ranked #517,779 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 2.9 MB · 95 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.kralvin.cz | 11 |
| shop.kralvin.cz | 7 |
| old.kralvin.cz | 6 |