What powers sbdsumperk.cz?
Last seen Sep 2026 · 8 technologies across 5 categories
JavaScript libraries
Operating systems
Debian
since Aug 2022
Programming languages
Web server extensions
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.39 / 10 · ranked #39,597,904 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.2 MB · 15 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CETIN-AS (85.163.228.10)
- DNS: rps.cz
- Email: sbdsumperk.cz
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 114,648,658, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sbdsumperk.cz | 8 |
| www.sbdsumperk.cz | 8 |