What powers douc.info?
Last seen Jun 2026 · 14 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Feb 2026
Google Analytics
since Oct 2023
Authentication
NextAuth.js
since Oct 2023
CDN
Cloudflare
since Oct 2023
JavaScript frameworks
Live chat
WhatsApp Business Chat
since Oct 2023
Miscellaneous
Performance
Cloudflare Rocket Loader
since Feb 2026
Programming languages
Node.js
since Oct 2023
Security
Cloudflare Turnstile
since Oct 2023
UI frameworks
Tailwind CSS
since Oct 2023
Audience
- 78% desktop
- 22% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.34 / 10 · ranked #45,273,808 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 1.0 MB · 55 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped HSTS Mar 2026
- dropped Vercel Mar 2026
- dropped Vercel Speed Insights Mar 2026
- detected Cloudflare Browser Insights Feb 2026
- detected Cloudflare Rocket Loader Feb 2026
- detected HTTP/3 Feb 2026
- detected Open Graph Feb 2026