What powers gkh.cz?
Last seen Jun 2026 · 31 technologies across 15 categories
CMS
Cookie compliance
Databases
MySQL
since Jan 2019
Ecommerce
Font scripts
Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript frameworks
JavaScript libraries
Isotope
since Sep 2025
Lightbox
since Sep 2025
metisMenu
since Sep 2025
OWL Carousel
since Jun 2022
Swiper
since Sep 2025
Miscellaneous
Operating systems
Windows Server
since Jan 2019
Performance
Priority Hints
since Sep 2025
Programming languages
PHP
since Jan 2019
Web frameworks
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
The Events Calendar
since Jun 2022
WP-Optimize
since Jan 2026
Audience
- 74% phone
- 26% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.89 / 10 · ranked #1,799,850 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 5.8 MB · 132 requests
- WordPress theme: edubin · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| gkh.cz | 28 |
| bakalari.gkh.cz | 6 |
| adfs.gkh.cz | 4 |
Full technology history →
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Recent changes
- dropped Gravatar Jun 2026
- dropped Nginx Mar 2026
- detected Apache HTTP Server Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- detected WP-Optimize Jan 2026
- dropped Bootstrap Oct 2025
- dropped Cart Functionality Oct 2025
- dropped cdnjs Oct 2025
- dropped Cloudflare Oct 2025
- dropped Font Awesome Oct 2025
- dropped Slick Oct 2025
- dropped ThimPress Course Review Oct 2025
- dropped Twitter Emoji (Twemoji) Oct 2025
- detected Backbone.js Sep 2025
- detected Isotope Sep 2025
- detected Lightbox Sep 2025
- detected metisMenu Sep 2025
- detected Priority Hints Sep 2025
- detected Swiper Sep 2025
- detected Underscore.js Sep 2025
- detected WooCommerce Sep 2025
- dropped WP Fastest Cache Sep 2025
- detected OWL Carousel Aug 2025
- detected ThimPress Course Review Aug 2025