What powers bi.cz?
Last seen Jun 2026 · 10 technologies across 7 categories
Analytics
Google Analytics
since Feb 2020
Authentication
Facebook Login
since Jul 2021
Hosting panels
Plesk
since Oct 2021
JavaScript libraries
Miscellaneous
SWFObject
since Feb 2020
Web servers
Apache HTTP Server
since Feb 2020
Webmail
Microsoft 365
since Aug 2022
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.01 / 10 · ranked #1,579,016 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.6 MB · 75 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jazykove-kurzy.bi.cz | 10 |
| www.bi.cz | 10 |