What powers onlyu.cz?
Last seen Jun 2026 · 34 technologies across 20 categories
Advertising
Analytics
Cloudflare Browser Insights
since Nov 2025
Gemius
since May 2020
Google Analytics
since May 2019
Hotjar
since Jan 2021
Snowplow Analytics
since May 2021
Caching
WP Rocket
since Dec 2019
CDN
Cloudflare
since Apr 2022
CMS
Databases
MySQL
since May 2019
Font scripts
Google Font API
since Jun 2020
JavaScript graphics
D3
since Jun 2020
JavaScript libraries
Isotope
since Jul 2021
Miscellaneous
Operating systems
Debian
since Jun 2020
Performance
Priority Hints
since Apr 2023
Programming languages
PHP
since May 2019
Security
reCAPTCHA
since Apr 2022
Social logins
Google Sign-in
since Feb 2021
Tag managers
Google Tag Manager
since May 2019
UI frameworks
Web servers
Widgets
WordPress plugins
Audience
- 88% phone
- 12% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.87 / 10 · ranked #1,841,415 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.9 MB · 147 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.onlyu.cz | 27 |
| testovani.onlyu.cz | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Nov 2025
- dropped Adform Oct 2025
- dropped Adobe Audience Manager Oct 2025
- dropped Didomi Oct 2025
- dropped ID5 Oct 2025
- dropped jsDelivr Oct 2025
- dropped Microsoft ASP.NET Oct 2025
- dropped Prebid Oct 2025
- dropped PubMatic Oct 2025
- detected Microsoft ASP.NET Aug 2025