What powers zdirec.cz?
Last seen Jun 2026 · 33 technologies across 20 categories
Analytics
Matomo Analytics
since Dec 2024
CDN
jQuery CDN
since Jun 2022
CMS
Antee IPO
since Dec 2024
Comment systems
Editors
Microsoft Word
since Jun 2022
Font scripts
Google Font API
since May 2020
JavaScript graphics
Chart.js
since Dec 2024
JavaScript libraries
Maps
Google Maps
since Nov 2021
Miscellaneous
Performance
Priority Hints
since Dec 2024
Programming languages
PHP
since Sep 2021
Security
Tag managers
Google Tag Manager
since May 2020
UI frameworks
Video players
YouTube
since Dec 2024
Web frameworks
Nette Framework
since Jan 2023
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Google Workspace
since Aug 2022
Widgets
Elfsight
since Dec 2024
Audience
- 86% phone
- 14% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.54 / 10 · ranked #855,097 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.2 MB · 81 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| skola.zdirec.cz | 19 |
| www.zdirec.cz | 15 |
| tatran.zdirec.cz | 11 |
| sdh.zdirec.cz | 7 |