What powers viva-sport.cz?
Last seen Sep 2026 · 11 technologies across 7 categories
Mailgun
since Aug 2022
Font scripts
Google Font API
since Jan 2021
JavaScript libraries
Programming languages
UI frameworks
Web frameworks
Nette Framework
since Jan 2021
Web servers
Apache HTTP Server
since Jan 2021
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.41 / 10 · ranked #2,659,103 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.4 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (77.93.196.21, IPv6)
- DNS: forpsi.cz
- Email: viva-sport.cz
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 37,218,405, 3 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.viva-sport.cz | 10 |
| b2b.viva-sport.cz | 5 |