What powers gchd.cz?
Last seen Jun 2026 · 42 technologies across 20 categories
Analytics
Google Analytics
since Jan 2019
CMS
Databases
MySQL
since Jan 2025
Font scripts
JavaScript frameworks
JavaScript libraries
LMS
Moodle
since May 2020
Maps
Google Maps
since Jan 2019
Miscellaneous
Babel
since Aug 2020
Highlight.js
since May 2020
Open Graph
since Jan 2025
PWA
since Aug 2022
RSS
since Dec 2022
Vite
since Dec 2025
Operating systems
Page builders
WordPress Block Editor
since Jan 2025
Performance
Priority Hints
since Jan 2025
Programming languages
SEO
Tag managers
Google Tag Manager
since May 2022
UI frameworks
Web frameworks
Web server extensions
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Audience
- 52% phone
- 48% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.92 / 10 · ranked #1,741,911 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.3 MB · 43 requests
- WordPress theme: exs (child: exs-education) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.gchd.cz | 14 |
| gchd.cz | 13 |
| strela-vlna.gchd.cz | 12 |
| moodle.gchd.cz | 11 |
| bakalari.gchd.cz | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Feb 2026
- dropped cdnjs Oct 2025
- dropped Cloudflare Oct 2025