What powers 4zskladno.cz?
Last seen Jun 2026 · 19 technologies across 12 categories
CMS
Databases
MySQL
since Oct 2023
Font scripts
Google Font API
since Feb 2019
JavaScript frameworks
GSAP
since Oct 2023
JavaScript libraries
Miscellaneous
RSS
since Oct 2023
Performance
Priority Hints
since Oct 2024
Programming languages
Video players
YouTube
since Oct 2019
Web servers
Widgets
WordPress plugins
Popup Maker
since Oct 2024
wpBakery
since Oct 2023
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.61 / 10 · ranked #5,613,212 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 8.6 MB · 136 requests
- WordPress theme: eduma · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped WooCommerce May 2026
- dropped Font Awesome Mar 2026
- dropped Bootstrap Feb 2026