What powers polna.cz?
Last seen Jun 2026 · 33 technologies across 18 categories
CMS
Databases
MySQL
since Sep 2022
Font scripts
Google Font API
since Feb 2019
Twitter Emoji (Twemoji)
since Sep 2022
JavaScript graphics
Chart.js
since Oct 2022
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Oct 2022
Page builders
WordPress Block Editor
since Aug 2024
Performance
Priority Hints
since Jan 2024
Photo galleries
PhotoSwipe
since Oct 2022
Programming languages
Security
HSTS
since Jan 2024
UI frameworks
Web frameworks
Spring
since Oct 2022
Web servers
Apache HTTP Server
since Oct 2022
Nginx
since Feb 2019
Webmail
Microsoft 365
since Oct 2022
WordPress plugins
Jetpack
since Sep 2022
The Events Calendar
since Jan 2024
WordPress themes
Twenty Fourteen
since Sep 2022
Twenty Seventeen
since Jan 2024
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.38 / 10 · ranked #2,722,265 of all domains
11 referring domains · OpenPageRank
Page
- Language: Czech
- Weight: 6.9 MB · 42 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kct.polna.cz | 14 |
| knihovna.polna.cz | 14 |
| zs.polna.cz | 10 |
| tritius.knihovna.polna.cz | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Feb 2026