What powers 1zsbr.cz?
Last seen Jun 2026 · 17 technologies across 11 categories
CDN
Google Hosted Libraries
since Mar 2022
CMS
Databases
MySQL
since Mar 2020
Font scripts
JavaScript libraries
Isotope
since Jun 2021
prettyPhoto
since Jun 2023
Miscellaneous
RSS
since Dec 2022
Programming languages
Security
HSTS
since Sep 2022
Web servers
Webmail
Apple iCloud Mail
since May 2026
WordPress plugins
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.48 / 10 · ranked #6,695,583 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech (Czechia)
- Weight: 21.5 MB · 134 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Nginx Jun 2026
- detected Apache HTTP Server May 2026
- detected Apple iCloud Mail May 2026
- dropped MediaElement.js May 2026
- detected prettyPhoto Apr 2026
- detected MediaElement.js Mar 2026
- dropped Bootstrap Feb 2026
- dropped NextGEN Gallery Feb 2026
- dropped prettyPhoto Feb 2026
- dropped WordPress Super Cache Feb 2026
- dropped Cloudflare Jan 2026
- dropped Cloudflare Bot Management Jan 2026
- dropped Contact Form 7 Jan 2026
- dropped Google Analytics Jan 2026
- dropped OneSignal Jan 2026
- detected Photo Gallery Jan 2026
- dropped PWA Jan 2026
- dropped Slider Revolution Jan 2026
- detected prettyPhoto Dec 2025
- dropped Autoptimize Oct 2025
- detected NextGEN Gallery Sep 2025