What powers 
rockzone.cz?
Last seen Oct 2026 · 14 technologies across 11 categories
Advertising
Analytics
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Tag managers
UI frameworks
Web frameworks
Web servers
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Bytespider Blocked
- ClaudeBot Blocked
- GPTBot Blocked
The other 30 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
3 of 33 AI crawlers blocked
Audience
- 69% phone
- 31% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.53 / 10 · ranked #865,276 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.9 MB · 40 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on VSHOSTING VSHosting s.r.o. (93.185.110.197)
- DNS: ignum.com
- Email: mafra.cz
- Email security: SPF (hard fail), no DMARC record, MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,273,990, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Sep 2026
- detected Priority Hints Sep 2026