What powers chytryrejstrik.cz?
Last seen Jun 2026 · 18 technologies across 15 categories
Analytics
Google Analytics
since Oct 2025
Linkedin Insight Tag
since Apr 2026
CDN
Cloudflare
since May 2026
Amazon SES
since May 2026
JavaScript frameworks
JavaScript graphics
Miscellaneous
Open Graph
since Nov 2025
Operating systems
Debian
since Oct 2025
PaaS
Amazon Web Services
since May 2026
Performance
Priority Hints
since Nov 2025
Programming languages
PHP
since Oct 2025
Security
Cloudflare Bot Management
since May 2026
Tag managers
Google Tag Manager
since Oct 2025
UI frameworks
Tailwind CSS
since Nov 2025
Web frameworks
Web servers
Audience
- 55% phone
- 43% desktop
- 2% tablet
Czechia
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.97 / 10 · ranked #1,634,465 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.8 MB · 61 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft Clarity Jun 2026
- detected Amazon SES May 2026
- detected Amazon Web Services May 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Linkedin Insight Tag Apr 2026
- detected Microsoft Clarity Apr 2026
- dropped Google Font API Dec 2025
- dropped jsDelivr Dec 2025
- dropped Unpkg Dec 2025
- detected D3 Nov 2025
- detected Open Graph Nov 2025
- detected Priority Hints Nov 2025
- detected Tailwind CSS Nov 2025
- detected xCharts Nov 2025