What powers sxvii.pl?
Last seen Aug 2026 · 6 technologies across 6 categories
CDN
jQuery CDN
since Feb 2022
JavaScript graphics
Chart.js
since Jan 2019
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Operating systems
Debian
since Jan 2019
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
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.01 / 10 · ranked #1,575,795 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish
- Weight: 0.9 MB · 30 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CYFRONET-AS Metropolitan Area Network Autonomous System (149.156.30.103)
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed, CAA
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 803,168, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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