What powers zsk.olsztyn.pl?
Last seen Sep 2026 · 5 technologies across 5 categories
CDN
Google Hosted Libraries
since Jun 2022
Font scripts
Google Font API
since Jul 2019
JavaScript libraries
UI frameworks
Pure CSS
since Jul 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
- 100% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.71 / 10 · ranked #4,902,302 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.3 MB · 11 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (144.76.113.177)
- DNS: virtualmedia.pl
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 13,925,400, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zsk.olsztyn.pl | 5 |
| zsk.olsztyn.pl | 5 |