What powers jsfan.cz?
Last seen Jun 2026 · 18 technologies across 13 categories
Analytics
Google Analytics
since Aug 2022
Authentication
Facebook Login
since Aug 2022
CDN
jQuery CDN
since Aug 2022
Font scripts
Google Font API
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Aug 2022
Miscellaneous
PWA
since Sep 2025
Programming languages
PHP
since Aug 2022
Tag managers
Google Tag Manager
since May 2023
Video players
YouTube
since Aug 2022
Web frameworks
Nette Framework
since Aug 2022
Web servers
Apache HTTP Server
since Aug 2022
Webmail
Microsoft 365
since Aug 2022
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.15 / 10 · ranked #1,350,512 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 2.4 MB · 80 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jsfan.cz | 18 |
| www.jsfan.cz | 18 |