What powers oca-praga.cz?
Last seen Jun 2026 · 39 technologies across 22 categories
Analytics
Google Analytics
since Jan 2019
Yandex.Metrika
since May 2019
Caching
Litespeed Cache
since Jun 2022
CDN
Amazon CloudFront
since Feb 2026
Cloudinary
since Oct 2023
CMS
WordPress
since May 2022
Databases
MySQL
since May 2022
Font scripts
JavaScript frameworks
Vue.js
since Oct 2023
JavaScript graphics
jQuery Sparklines
since Jan 2019
JavaScript libraries
Live chat
WhatsApp Business Chat
since Nov 2022
Maps
Google Maps
since Apr 2023
Miscellaneous
PaaS
Amazon Web Services
since Feb 2026
Page builders
WordPress Block Editor
since Jul 2024
Programming languages
Security
reCAPTCHA
since Jan 2019
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Video players
YouTube
since Jan 2019
Web frameworks
Express
since Oct 2023
Nette Framework
since Jan 2019
Web servers
WordPress plugins
Yoast SEO
since May 2022
Audience
- 64% phone
- 36% desktop
Russia
Ukraine
Czechia
Belarus
Kazakhstan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.47 / 10 · ranked #929,298 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 4.2 MB · 105 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| oca-praga.cz | 20 |
| quiz.oca-praga.cz | 13 |
| student.oca-praga.cz | 12 |
| quiz1.oca-praga.cz | 10 |
| quiz2.oca-praga.cz | 9 |
| cz.oca-praga.cz | 6 |