What powers uol.cz?
Last seen Jun 2026 · 71 technologies across 29 categories
Advertising
Twitter Ads
since Dec 2022
Analytics
Authentication
Facebook Login
since Aug 2022
CDN
CMS
Databases
Ecommerce
Cart Functionality
since May 2026
Shoptet
since Aug 2022
Sendgrid
since May 2023
Font scripts
Issue trackers
Sentry
since Feb 2025
JavaScript frameworks
JavaScript graphics
Recharts
since Dec 2025
JavaScript libraries
Live chat
Chatwoot
since Sep 2023
Load balancers
Azure Front Door
since May 2025
Miscellaneous
Operating systems
Debian
since Dec 2022
PaaS
Azure
since May 2025
Performance
Priority Hints
since Sep 2023
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Video players
YouTube
since Feb 2023
Web frameworks
Ruby on Rails
since Jan 2022
Web servers
Webmail
Apple iCloud Mail
since Feb 2025
Google Workspace
since Aug 2022
Widgets
Twitter
since Dec 2022
WordPress plugins
Moove GDPR Consent
since Nov 2024
Audience
- 54% desktop
- 46% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.02 / 10 · ranked #553,315 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 125 ms |
| CLS | 0.2 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 4.3 MB · 115 requests
- WordPress theme: understrap (child: wp-uolweb-understrap-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.uol.cz | 24 |
| test.demo.uol.cz | 22 |
| shop.uol.cz | 18 |
| chat.uol.cz | 15 |
| kariera.uol.cz | 15 |
| arnold.uol.cz | 14 |
| kurzy.uol.cz | 13 |
| advent.uol.cz | 12 |
| start.uol.cz | 11 |
| konference.uol.cz | 10 |
| expert.uol.cz | 9 |
| test.ucetnictvi.uol.cz | 8 |
| tlvsro.ucetnictvi.uol.cz | 8 |
| uolpraha.ucetnictvi.uol.cz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected MUI Jun 2026
- detected React Router Apr 2026
- dropped Mapbox GL JS Feb 2026
- dropped MUI Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Backbone.js Oct 2025
- dropped Clipboard.js Oct 2025
- dropped MediaElement.js Oct 2025
- detected PostHog Oct 2025
- dropped Select2 Oct 2025
- dropped Tippy.js Oct 2025
- dropped Underscore.js Oct 2025
- detected Backbone.js Aug 2025
- detected Clipboard.js Aug 2025
- detected MediaElement.js Aug 2025
- detected Select2 Aug 2025
- detected Tippy.js Aug 2025
- detected Underscore.js Aug 2025