What powers 
dh.cz?
Last seen Sep 2026 · 18 technologies across 14 categories
Analytics
CDN
CMS
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
UI frameworks
Web server extensions
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Restricted (was Allowed)
- Aug 2026 *: Allowed (was Restricted)
- Aug 2026 *: Restricted (was Allowed)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| byla | #61 | 0 |
| vzajemna | #62 | 0 |
| rescop | #48 | 0 |
| sdh ct | #83 | 0 |
| moraw | #77 | 0 |
| msmt 2025 | #82 | 0 |
| msmt 2025 | #64 | 0 |
| nytra | #68 | 0 |
| justice.cz | #38 | 0 |
| kosina | #88 | 0 |
| logo sdh | #77 | 0 |
| martin stepanek | #80 | 0 |
| hasisk zchrann sbor | #34 | 0 |
| hasii | #45 | 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
No AI crawlers blocked
Audience
- 67% phone
- 33% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.32 / 10 · ranked #187,722 of all domains
100 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
14 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 4.1 MB · 41 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered May 2000 (26 years), renews May 2027
- Hosted on MASTER-AS Czech Republic www.master.cz (185.8.165.155)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 676,896, 10 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| mladez.dh.cz | 12 |
| sport.dh.cz | 11 |
| www.dh.cz | 11 |
| old.dh.cz | 9 |
| kalendar.dh.cz | 8 |
| prihlasky.dh.cz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Hosted Libraries Sep 2026
- dropped Google Hosted Libraries Apr 2026
- detected Google Hosted Libraries Feb 2026