What powers alsen.cz?
Last seen Jun 2026 · 20 technologies across 12 categories
A/B Testing
Google Optimize
since Jun 2023
Advertising
Microsoft Advertising
since Sep 2023
Analytics
Google Analytics
since Sep 2022
Microsoft Clarity
since Sep 2023
Authentication
Facebook Login
since Sep 2022
Ecommerce
Cart Functionality
since Sep 2022
Shoptet
since Sep 2022
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Sep 2022
Tag managers
Google Tag Manager
since Sep 2022
UI frameworks
Web servers
Audience
- 85% phone
- 15% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.74 / 10 · ranked #18,247,162 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.2 MB · 125 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Analytics Enhanced eCommerce May 2026
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- dropped parcel Oct 2025
- dropped SWC Oct 2025