What powers primarun.cz?
Last seen Oct 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Sep 2021
CDN
Ecommerce
Cart Functionality
since Jun 2025
Font scripts
Google Font API
since Jun 2025
JavaScript libraries
Load balancers
Miscellaneous
Popper
since Aug 2022
Operating systems
Windows Server
since Sep 2021
UI frameworks
Tailwind CSS
since Jun 2025
Web frameworks
Web servers
AI Crawlers
robots.txt could not be read at the last check (Oct 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
2.29 / 10 · ranked #2,901,816 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.9 MB · 38 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.194.20)
- DNS: forpsi.cz
- Email: forpsi.com
- Email security: no SPF record, no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 19,684,719, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| primarun.cz | 16 |
| www.primarun.cz | 16 |