What powers strefa.cz?
Last seen Jun 2026 · 15 technologies across 12 categories
Analytics
Facebook Pixel
since Nov 2023
Google Analytics
since Jan 2019
JavaScript libraries
Load balancers
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Windows Server
since Feb 2019
Performance
Priority Hints
since Feb 2024
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Web frameworks
Microsoft ASP.NET
since Apr 2022
Web servers
Webmail
Google Workspace
since Aug 2022
Widgets
Google Plus
since Jun 2019
Audience
- 70% phone
- 27% desktop
- 4% tablet
Czechia
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.52 / 10 · ranked #399,131 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 4.0 MB · 52 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.strefa.cz | 14 |
| m.strefa.cz | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft Advertising Oct 2025
- dropped Microsoft Clarity Oct 2025
- detected Facebook Pixel Aug 2025