What powers 
cem.edu.pl?
Last seen Aug 2026 · 2 technologies across 2 categories
CDN
jQuery CDN
since Feb 2022
JavaScript Frameworks
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 51% phone
- 42% desktop
- 7% tablet
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.89 / 10 · ranked #661,970 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0.55 |
| TTFB | 8400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish
- Weight: 0.1 MB · 28 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ITSA ITSA Autonomous System (82.214.171.194)
- Email: cem.edu.pl
- Email security: SPF (hard fail), no DMARC record
- SSL: Certum, RSA 4096, wildcard, expires Mar 2027
- Common Crawl link graph: rank 1,239,491, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cem.edu.pl | 2 |
| www.cem.edu.pl | 2 |