What powers vspj.cz?
Last seen Jun 2026 · 30 technologies across 16 categories
Analytics
Google Analytics
since Jun 2018
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Nov 2024
SparkPost
since Aug 2022
Font scripts
JavaScript frameworks
JavaScript graphics
Chart.js
since Oct 2025
JavaScript libraries
LMS
Moodle
since Jan 2025
Miscellaneous
Programming languages
Rich text editors
CKEditor
since Oct 2025
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Dec 2025
UI frameworks
Video players
VideoJS
since Jan 2025
Web servers
Nginx
since Apr 2018
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 59% phone
- 37% desktop
- 4% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.32 / 10 · ranked #190,522 of all domains
188 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.7 MB · 19 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| cestovka.vspj.cz | 14 |
| km.vspj.cz | 14 |
| moodle.vspj.cz | 12 |
| bc.vspj.cz | 10 |
| fotogalerie.vspj.cz | 10 |
| helpdesk.vspj.cz | 10 |
| kcr.vspj.cz | 10 |
| kes.vspj.cz | 10 |
| knihovna.vspj.cz | 10 |
| ksp.vspj.cz | 10 |
| kts.vspj.cz | 10 |
| kzs.vspj.cz | 10 |
| u3v.vspj.cz | 10 |
| www.vspj.cz | 10 |
| en.vspj.cz | 8 |
| icanteen.vspj.cz | 6 |
| is.vspj.cz | 6 |
| isz.vspj.cz | 6 |
| navody.vspj.cz | 6 |
| ects.vspj.cz | 5 |
| nav.vspj.cz | 5 |
| praxe.vspj.cz | 5 |
| konference.vspj.cz | 4 |
| webmail.vspj.cz | 3 |
Full technology history →
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Recent changes
- dropped Hammer.js Feb 2026
- dropped Select2 Feb 2026
- dropped Snap.svg Feb 2026
- detected Stimulus Jan 2026
- detected Google Tag Manager Dec 2025