What powers 
hvr.cz?
Last seen Aug 2026 · 15 technologies across 12 categories
Authentication
Facebook Login
since Jul 2021
CMS
Cookie compliance
Databases
MySQL
since Sep 2020
Font scripts
Font Awesome
since Sep 2020
Google Font API
since Sep 2020
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Photo galleries
Programming languages
Security
reCAPTCHA
since Sep 2020
Web servers
Apache HTTP Server
since Sep 2020
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 82% phone
- 18% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.47 / 10 · ranked #929,362 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 3.0 MB · 71 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Rokycany Observatory
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on SECURITYNET-AS (176.102.64.7)
- DNS: netro.cz
- Email: netro.cz
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,118,402, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted