What powers secr.cz?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Matomo Analytics
since Aug 2023
CMS
Antee IPO
since Aug 2023
Font scripts
Google Font API
since Jan 2019
JavaScript graphics
Chart.js
since Aug 2023
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Jan 2019
Security
Tag managers
Google Tag Manager
since Jan 2019
Web frameworks
Nette Framework
since Aug 2023
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
Widgets
Elfsight
since Aug 2023
Audience
- 85% phone
- 15% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.46 / 10 · ranked #2,564,028 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.6 MB · 47 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Cloudflare Feb 2026
- dropped Cloudflare Bot Management Feb 2026
- detected Cloudflare Dec 2025
- detected Cloudflare Bot Management Dec 2025