What powers 1zsfm.cz?
Last seen Jun 2026 · 20 technologies across 10 categories
Analytics
Google Analytics
since Feb 2019
CMS
Databases
MySQL
since Feb 2019
Font scripts
Font Awesome
since Feb 2019
Google Font API
since Nov 2021
JavaScript libraries
Miscellaneous
Programming languages
Web servers
Apache HTTP Server
since Nov 2023
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
WordPress plugins
Jetpack
since Feb 2022
WordPress Super Cache
since Feb 2019
Audience
- 83% phone
- 17% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.62 / 10 · ranked #5,533,198 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 325 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.3 MB · 12 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 1zsfm.cz | 18 |
| estrava.1zsfm.cz | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Priority Hints May 2026
- detected Jetpack Mar 2026
- dropped Nginx Mar 2026
- dropped YouTube Mar 2026
- detected Priority Hints Dec 2025
- detected YouTube Dec 2025
- dropped Jetpack Oct 2025