What powers 3zs.cz?
Last seen Jun 2026 · 15 technologies across 9 categories
Analytics
Matomo Analytics
since Aug 2020
Font Scripts
Font Awesome
since Jan 2019
Google Font API
since May 2019
JavaScript Libraries
Miscellaneous
PWA
since Jan 2026
Operating Systems
Debian
since May 2019
Windows Server
since Jan 2019
Programming languages
PHP
since May 2019
Web Frameworks
Nette Framework
since May 2019
Web Servers
Webmail
Microsoft 365
since Aug 2022
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.44 / 10 · ranked #7,090,660 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.7 MB · 62 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.3zs.cz | 10 |
| znamky.3zs.cz | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Feb 2026
- dropped FingerprintJS Feb 2026
- detected FancyBox Jan 2026
- detected PWA Jan 2026