What powers hchkr.cz?
Last seen Jun 2026 · 25 technologies across 11 categories
Analytics
CDN
Hosting
Rosti
since Oct 2023
JavaScript frameworks
JavaScript libraries
Live chat
Tawk.to
since Jan 2023
Miscellaneous
Open Graph
since May 2023
PDF.js
since Oct 2023
Programming languages
Node.js
since Jan 2023
TypeScript
since Jan 2023
Tag managers
Google Tag Manager
since Jun 2023
Web servers
Webmail
Microsoft 365
since Jan 2023
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.19 / 10 · ranked #9,994,000 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.6 MB · 60 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| portal.hchkr.cz | 19 |
| www.hchkr.cz | 13 |