What powers skolniprogram.cz?
Last seen Jun 2026 · 18 technologies across 12 categories
Analytics
Authentication
Facebook Login
since Aug 2022
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
Mailgun
since Aug 2022
Font scripts
Google Font API
since Oct 2019
JavaScript libraries
Select2
since Aug 2022
SweetAlert2
since Sep 2025
Miscellaneous
Less
since Aug 2022
Open Graph
since Sep 2022
Programming languages
Java
since Aug 2022
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Oct 2019
Video players
YouTube
since Oct 2019
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 75% phone
- 23% desktop
- 1% tablet
Czechia
Ukraine
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.15 / 10 · ranked #478,255 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 6.3 MB · 67 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| system.skolniprogram.cz | 12 |
| skolniprogram.cz | 10 |
| www.skolniprogram.cz | 10 |
Full technology history →
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Recent changes
- dropped Google Sign-in Nov 2025
- detected SweetAlert2 Sep 2025