What powers zshk.cz?
Last seen Jun 2026 · 43 technologies across 22 categories
Analytics
CDN
jsDelivr
since Aug 2024
CMS
Databases
MySQL
since Nov 2019
Font scripts
Google Font API
since Nov 2019
JavaScript frameworks
JavaScript graphics
JavaScript Libraries
LMS
Moodle
since Jan 2019
Miscellaneous
Operating systems
Debian
since Jan 2019
Windows Server
since Aug 2018
Programming languages
Rich text editors
Security
HSTS
since May 2023
SEO
Yoast SEO
since Jul 2021
Tag managers
Google Tag Manager
since Nov 2019
UI frameworks
SvelteKit
since May 2026
Video players
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Autoptimize
since Mar 2023
Audience
- 67% phone
- 33% desktop
Czechia
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.72 / 10 · ranked #754,105 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.5 MB · 25 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.zshk.cz | 20 |
| knihovna.zshk.cz | 13 |
| moodle.zshk.cz | 12 |
| anl.zshk.cz | 7 |
| labmet.zshk.cz | 7 |
| lat.zshk.cz | 7 |
| ose.zshk.cz | 7 |
| ppp.zshk.cz | 7 |
| ptc.zshk.cz | 7 |
| fab.zshk.cz | 6 |
| ibakalari.zshk.cz | 6 |
| zshk.cz | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Node.js May 2026
- detected SvelteKit May 2026
- detected Vite May 2026
- dropped Bootstrap Oct 2025
- dropped cdnjs Sep 2025
- dropped Cloudflare Sep 2025
- dropped Font Awesome Sep 2025