What powers ptas.cz?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
Matomo Analytics
since Mar 2026
CMS
Backdrop
since Mar 2026
Font scripts
Google Font API
since Mar 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
PHP
since Mar 2020
Security
HSTS
since Sep 2022
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 70% phone
- 26% desktop
- 4% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.52 / 10 · ranked #399,044 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.8 MB · 24 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.ptas.cz | 12 |
| portal.ptas.cz | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Apr 2026
- dropped Dropzone Apr 2026
- dropped Google Tag Manager Apr 2026
- dropped jsDelivr Apr 2026
- dropped Nette Framework Apr 2026
- dropped reCAPTCHA Apr 2026
- detected Backdrop Mar 2026
- detected LazySizes Mar 2026
- detected Matomo Analytics Mar 2026
- detected Swiper Mar 2026