What powers stefcova.cz?
Last seen Jun 2026 · 17 technologies across 12 categories
Analytics
Google Analytics
since Sep 2020
Google Workspace
since Aug 2022
Mailjet
since Aug 2022
Font scripts
Google Font API
since Sep 2020
JavaScript frameworks
Essential JS 2
since Apr 2026
JavaScript graphics
particles.js
since Sep 2020
JavaScript libraries
Operating systems
Windows Server
since Sep 2020
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Sep 2020
UI frameworks
Web frameworks
Blazor
since Apr 2026
Microsoft ASP.NET
since Sep 2020
Web servers
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.77 / 10 · ranked #4,528,855 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 5.0 MB · 34 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.stefcova.cz | 13 |
| sj.stefcova.cz | 12 |
| ms.stefcova.cz | 11 |
| prihlasky.stefcova.cz | 11 |
| sd.stefcova.cz | 11 |
| www.ms.stefcova.cz | 11 |
| www.zs.stefcova.cz | 11 |