What powers 1zsjirkov.cz?
Last seen Jun 2026 · 13 technologies across 10 categories
Editors
Font scripts
Google Font API
since Dec 2020
JavaScript frameworks
AlertifyJS
since Oct 2021
JavaScript libraries
Highlight.js
since Dec 2020
Miscellaneous
Popper
since Apr 2022
Programming languages
PHP
since Dec 2020
Rich text editors
UI frameworks
Web servers
Apache HTTP Server
since Dec 2020
Webmail
Microsoft 365
since Aug 2022
Audience
- 87% phone
- 13% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.07 / 10 · ranked #11,523,402 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 6.6 MB · 105 requests
Homepage as crawled by the HTTP Archive, Jul 2026.