What powers sibik.cz?
Last seen Jun 2026 · 15 technologies across 12 categories
Advertising
Twitter Ads
since Jan 2022
Analytics
Google Analytics
since May 2019
Microsoft Clarity
since Oct 2024
CDN
Cloudflare
since Mar 2025
Font scripts
Google Font API
since Jan 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Jan 2021
PaaS
Vercel
since Jan 2021
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
Static site generator
Tag managers
Google Tag Manager
since Jan 2021
Widgets
Twitter
since May 2019
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.36 / 10 · ranked #1,056,575 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- CDN: Vercel
- Weight: 25.9 MB · 140 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sibik.cz | 14 |
| www.sibik.cz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025