What powers zs-raf.cz?
Last seen Jun 2026 · 15 technologies across 10 categories
CMS
Databases
MySQL
since Sep 2019
Font scripts
Google Font API
since Sep 2019
JavaScript graphics
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Feb 2019
Web servers
Apache Traffic Server
since Oct 2019
Webmail
Google Workspace
since Aug 2022
WordPress plugins
The Events Calendar
since Feb 2022
Audience
- 67% phone
- 33% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.49 / 10 · ranked #6,635,448 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 4.6 MB · 85 requests
- WordPress theme: kingster · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected CanvasJS Sep 2025