What powers zbuch.cz?
Last seen Jun 2026 · 13 technologies across 9 categories
CDN
jsDelivr
since Jan 2026
JavaScript frameworks
JavaScript libraries
Swiper
since Oct 2022
Miscellaneous
Open Graph
since Nov 2022
PWA
since Oct 2022
Operating systems
Windows Server
since Feb 2020
Programming languages
PHP
since Nov 2021
UI frameworks
Web servers
Webmail
Microsoft 365
since Dec 2025
Audience
- 66% phone
- 35% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.19 / 10 · ranked #3,126,971 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 54.0 MB · 198 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped cdnjs Feb 2026
- dropped Cloudflare Feb 2026
- detected core-js Feb 2026
- dropped Google Maps Feb 2026
- dropped Popper Feb 2026
- detected React Feb 2026
- detected jsDelivr Jan 2026
- detected Microsoft 365 Dec 2025