What powers kzc.cz?
Last seen Aug 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Jun 2026
CDN
Google Hosted Libraries
since Sep 2024
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
HTTP/3
since Apr 2026
Open Graph
since Sep 2022
Programming languages
Web frameworks
Google Web Toolkit
since Sep 2024
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 95% phone
- 5% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.28 / 10 · ranked #438,732 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 5100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 4.5 MB · 28 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.kzc.cz | 10 |
| spolek.kzc.cz | 6 |
| kzc.cz | 5 |
| m.kzc.cz | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Jun 2026
- detected HTTP/3 Apr 2026