What powers 
six.sk?
Last seen Aug 2026 · 2 technologies across 2 categories
Programming languages
PHP
since Jul 2019
Web servers
Apache HTTP Server
since Jul 2019
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
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.60 / 10 · ranked #812,707 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.8 MB · 16 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SANET Slovak Academic Network (147.175.1.70)
- DNS: stuba.sk
- Email: bts.sk
- Email security: SPF, no DMARC record
- SSL: HARICA, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,016,028, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| six.sk | 2 |
| www.six.sk | 2 |