What powers stejkr.cz?
Last seen Sep 2026 · 15 technologies across 9 categories
Analytics
CDN
Font scripts
JavaScript libraries
Live chat
Programming languages
Security
Tag managers
Video players
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.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 54% phone
- 46% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.95 / 10 · ranked #3,724,868 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 60.9 MB · 236 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VSHOSTING (93.185.108.177)
- DNS: websupport.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 25,678,101
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected cdnjs Apr 2026
- detected Cloudflare Apr 2026