What powers vak.cz?
Last seen Jun 2026 · 24 technologies across 11 categories
Analytics
Google Analytics
since Jun 2020
CDN
cdnjs
since Nov 2022
Cloudflare
since Nov 2022
Google Hosted Libraries
since Nov 2022
jsDelivr
since Nov 2022
Font scripts
Google Font API
since Feb 2022
JavaScript libraries
Miscellaneous
Operating systems
Gentoo
since Jun 2020
Windows Server
since Nov 2022
Programming languages
Rich text editors
CKEditor
since Feb 2022
UI frameworks
Web frameworks
Web servers
Apache HTTP Server
since Jun 2020
Audience
- 61% phone
- 39% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.83 / 10 · ranked #1,919,225 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 3.4 MB · 58 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.vak.cz | 14 |
| zakaznik.vak.cz | 13 |
| portal.vak.cz | 3 |
Full technology history →
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Recent changes
- dropped HSTS Nov 2025