What powers mesto-ustek.cz?
Last seen Sep 2026 · 9 technologies across 7 categories
Analytics
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2024
Operating systems
Windows Server
since Jan 2019
Security
reCAPTCHA
since Jan 2023
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 88% phone
- 12% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.91 / 10 · ranked #645,257 of all domains
61 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.9 MB · 95 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Úštěk
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on OPTONET-AS (78.156.158.199, IPv6)
- DNS: websupport.cz
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 790,761, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.mesto-ustek.cz | 7 |
| mesto-ustek.cz | 6 |
| m.mesto-ustek.cz | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Open Graph Sep 2026