What powers calla.cz?
Last seen Jun 2026 · 5 technologies across 4 categories
Analytics
Google Analytics
since Sep 2020
CDN
jsDelivr
since Oct 2024
Miscellaneous
Open Graph
since Oct 2024
RSS
since Oct 2024
Web servers
Apache HTTP Server
since Sep 2020
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #363,498 of all domains
89 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 26 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| calla.cz | 5 |
| www.calla.cz | 5 |