What powers rychnov-city.cz?
Last seen Sep 2026 · 8 technologies across 7 categories
Font scripts
Google Font API
since Jan 2022
JavaScript libraries
Choices
since Jan 2022
Miscellaneous
Open Graph
since Mar 2024
PWA
since Mar 2025
Operating systems
Windows Server
since Jan 2019
Security
reCAPTCHA
since Feb 2020
Video players
YouTube
since Jan 2022
Web servers
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
- 75% phone
- 25% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.18 / 10 · ranked #465,962 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.2 MB · 95 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Rychnov nad Kněžnou
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on OPTONET-AS (78.156.158.199)
- Email: rychnov-city.cz
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,248,673, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| m.rychnov-city.cz | 6 |
| www.rychnov-city.cz | 5 |
Full technology history →
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Recent changes
- detected Open Graph Sep 2026