What powers runzone.cz?
Last seen Jun 2026 · 15 technologies across 9 categories
Analytics
Google Analytics
since Jan 2026
CDN
Amazon S3
since Jun 2025
Cloudflare
since Jun 2025
Issue trackers
Sentry
since Jun 2025
JavaScript frameworks
React
since Jun 2025
Miscellaneous
Open Graph
since Jun 2025
PWA
since Jun 2025
PaaS
Amazon Web Services
since Jun 2025
Render
since Jun 2025
Security
HSTS
since Jun 2025
UI frameworks
Web frameworks
Remix
since Jun 2025
Audience
- 65% phone
- 35% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.6 MB · 153 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Jan 2026
- dropped HTTP/3 Dec 2025