What powers stren.cz?
Last seen Jun 2026 · 15 technologies across 10 categories
Analytics
Matomo Analytics
since May 2021
CMS
Antee IPO
since Oct 2022
Font scripts
Google Font API
since Jul 2019
JavaScript graphics
Chart.js
since Jul 2019
JavaScript libraries
Select2
since Jan 2022
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Jul 2019
Security
Web frameworks
Nette Framework
since Jul 2019
Web servers
Apache HTTP Server
since Jul 2019
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.02 / 10 · ranked #1,556,585 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.8 MB · 58 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| skola.stren.cz | 15 |
| www.stren.cz | 15 |