What powers spse.cz?
Last seen Jun 2026 · 24 technologies across 12 categories
Analytics
Google Analytics
since Sep 2023
CDN
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Jan 2019
Programming languages
Security
HSTS
since Aug 2023
UI frameworks
Tailwind CSS
since Jul 2024
Web frameworks
Web servers
Webmail
Apple iCloud Mail
since Oct 2025
Microsoft 365
since Aug 2022
Audience
- 83% phone
- 17% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.25 / 10 · ranked #1,199,156 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 3.0 MB · 18 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| rozvrh.spse.cz | 15 |
| i4m.spse.cz | 9 |
| www.spse.cz | 8 |
| bakalari.spse.cz | 7 |
| i4.spse.cz | 6 |
| mp.spse.cz | 6 |
| soutez.spse.cz | 6 |
| spse.cz | 5 |
| i3.spse.cz | 4 |
| intranet.spse.cz | 3 |
| supl.spse.cz | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Open Graph Dec 2025
- detected Lightbox Nov 2025
- detected Apple iCloud Mail Oct 2025
- dropped Font Awesome Sep 2025