What powers 6zs.cz?
Last seen Jun 2026 · 14 technologies across 9 categories
Accessibility
UserWay
since Aug 2020
CMS
Font scripts
Google Font API
since Mar 2020
JavaScript libraries
Mobile frameworks
jQuery-pjax
since Mar 2020
Programming languages
PHP
since Mar 2020
UI frameworks
Bootstrap
since Mar 2020
Web servers
Apache HTTP Server
since Mar 2020
Webmail
Microsoft 365
since Aug 2022
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.71 / 10 · ranked #4,919,891 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 4.7 MB · 148 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 6zs.cz | 14 |
| www.6zs.cz | 14 |
Full technology history →
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Recent changes
- dropped Debian May 2026