What powers jazzboat.cz?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
CDN
Cloudflare
since May 2023
Mailgun
since Jun 2023
Font scripts
Google Font API
since May 2023
Hosting panels
Plesk
since Jan 2019
JavaScript libraries
Photo galleries
PhotoSwipe
since May 2023
Programming languages
Security
Cloudflare Bot Management
since May 2023
Video players
Web servers
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
- 74% phone
- 26% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.73 / 10 · ranked #2,122,548 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 7.4 MB · 76 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (5.180.201.62)
- DNS: websupport.cz
- Email: jazzboat.cz
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 11,543,140, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jazzboat.cz | 14 |
| www.jazzboat.cz | 12 |