What powers ski-school.cz?
Last seen Aug 2026 · 19 technologies across 14 categories
Advertising
Analytics
CDN
Ecommerce
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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
- 85% phone
- 15% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.01 / 10 · ranked #1,573,883 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.3 MB · 62 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEB4U (81.91.84.51)
- Email: ski-school.cz
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 14,312,031, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ski-school.cz | 11 |
| rezervace.ski-school.cz | 9 |