What powers sipky-info.cz?
Last seen Sep 2026 · 5 technologies across 3 categories
Miscellaneous
HTTP/3
since Oct 2025
Programming languages
Adobe Flash
since Dec 2021
PHP
since Feb 2020
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
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.39 / 10 · ranked #7,561,525 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.3 MB · 21 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Websupport (37.9.175.212)
- DNS: websupport.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 12,699,354, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted