What powers scfajne.cz?
Last seen Sep 2026 · 14 technologies across 8 categories
Authentication
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
Web frameworks
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 82% phone
- 18% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.83 / 10 · ranked #4,195,369 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.4 MB · 26 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- test
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on WEB4U (81.91.86.14)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 3,495,549, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted