What powers sckolin.cz?
Last seen Aug 2026 · 33 technologies across 14 categories
Analytics
Authentication
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
RUM
UI 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 Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 84% phone
- 16% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.72 / 10 · ranked #4,853,603 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 5.6 MB · 61 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: web4u.cz
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,307,466, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sckolin.cz | 23 |
| sckolin.cz | 16 |
| fanshop.sckolin.cz | 13 |