What powers zs-kl.cz?
Last seen Jun 2026 · 22 technologies across 11 categories
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Photo galleries
Programming languages
PHP
since Jan 2019
Security
Really Simple SSL & Security
since Apr 2024
Web servers
Nginx
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
WP Fastest Cache
since Feb 2022
Audience
- 75% phone
- 25% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.37 / 10 · ranked #2,747,244 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.2 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected HTTP/3 Apr 2026