What powers opencast.cz?
Last seen Oct 2026 · 20 technologies across 12 categories
Analytics
Google Analytics
since Jun 2023
CDN
Comment systems
Font scripts
Font Awesome
since Jun 2023
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
PWA
since Jun 2023
Programming languages
PHP
since Jun 2023
Tag managers
Google Tag Manager
since Jun 2023
Web frameworks
Web servers
Apache HTTP Server
since Jun 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.51 / 10 · ranked #6,404,317 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 4.3 MB · 63 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SUPERNETWORK _ (46.234.126.45, IPv6)
- DNS: thinline.cz
- Email: thinline.cz
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 26,493,688
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.opencast.cz | 19 |
| opencast.cz | 17 |