What powers e-prefa.cz?
Last seen Jun 2026 · 9 technologies across 8 categories
JavaScript libraries
Load balancers
Miscellaneous
Open Graph
since Apr 2026
Operating systems
Windows Server
since Jan 2019
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Web frameworks
Microsoft ASP.NET
since Apr 2022
Web servers
Audience
- 56% phone
- 44% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.39 / 10 · ranked #39,562,538 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 275 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.7 MB · 62 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Open Graph Apr 2026