What powers opencall.cz?
Last seen Jun 2026 · 28 technologies across 17 categories
Advertising
Microsoft Advertising
since Sep 2024
Analytics
Adobe Analytics
since Jul 2024
Google Analytics
since Jan 2019
CMS
WordPress
since Jan 2019
Customer data platform
Exponea
since Dec 2021
Databases
MySQL
since Jan 2019
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Lightbox
since Jan 2019
Live chat
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Feb 2024
Programming languages
Security
HSTS
since Feb 2024
Tag managers
Adobe DTM
since Feb 2020
Adobe Experience Platform Launch
since Jul 2024
Google Tag Manager
since Jan 2019
Web frameworks
Google Web Toolkit
since Jun 2020
Nette Framework
since Feb 2020
Web servers
Widgets
Facebook
since Jan 2019
Audience
- 84% phone
- 14% desktop
- 2% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.46 / 10 · ranked #2,570,961 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.0 MB · 51 requests
- WordPress theme: mioweb3 · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| opencall.cz | 19 |
| zdarma.opencall.cz | 14 |
| free-sim.opencall.cz | 9 |
| moje.opencall.cz | 4 |
| mms.opencall.cz | 1 |
Full technology history →
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Recent changes
- dropped Facebook Pixel Apr 2026
- detected Twitter Emoji (Twemoji) Dec 2025