What powers sailfish.cz?
Last seen Jul 2026 · 10 technologies across 6 categories
Analytics
Font scripts
JavaScript libraries
Miscellaneous
Security
Web servers
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.67 / 10 · ranked #5,166,148 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 12.4 MB · 97 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- sailfish cz - triatlonové neopreny, plavecké kombinézy, triatlonové dresy,...
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (81.31.37.22)
- DNS: golemos.com
- Email: golemos.com
- Email security: SPF (hard fail), DMARC quarantine, CAA
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 52,533,877
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted