What powers 
obalkyknih.cz?
Last seen Aug 2026 · 6 technologies across 5 categories
Analytics
JavaScript Frameworks
Miscellaneous
Web Frameworks
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| knih | #28 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
Policy unknown
Audience
- 62% desktop
- 38% phone
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.29 / 10 · ranked #209,272 of all domains
114 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
1 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.5 MB · 95 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Obálky knih
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on CESNET2 (195.113.145.13)
- DNS: obalkyknih.cz
- Email: obalkyknih.cz
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 616,553, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| obalkyknih.cz | 6 |
| www.obalkyknih.cz | 6 |