What powers 
obecnirozhlas.cz?
Last seen Nov 2023 · 19 technologies across 13 categories
CMS
Databases
MySQL
since Jul 2021
Font scripts
Google Font API
since Jul 2021
Twitter Emoji (Twemoji)
since Jul 2021
JavaScript graphics
Chart.js
since Jul 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Ubuntu
since Jul 2021
Programming languages
PHP
since Jul 2021
UI frameworks
Video players
Vimeo
since Jul 2021
Web servers
Widgets
WordPress plugins
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 88% phone
- 12% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.31 / 10 · ranked #191,732 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Registered Mar 2005 (21 years), renews Mar 2035
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (85.255.0.238)
- DNS: forpsi.cz
- Email: sovt-radio.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,034,217, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| obecnirozhlas.cz | 19 |
| www.obecnirozhlas.cz | 19 |