What powers ckz.cz?
Last seen Sep 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Jun 2024
CDN
Cloudflare
since Oct 2024
Cookie compliance
Cookie Script
since Oct 2023
JavaScript libraries
Miscellaneous
Page builders
Webflow
since Oct 2023
Security
Webmail
Microsoft 365
since Jan 2026
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 57% desktop
- 43% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.19 / 10 · ranked #1,280,059 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 1.2 MB · 34 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (198.202.211.1)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- Common Crawl link graph: rank 16,364,520, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft 365 Jan 2026