What powers cem.edu.pl?

Last seen Aug 2026 · 2 technologies across 2 categories

CDN

jQuery CDN
since Feb 2022

JavaScript Frameworks

jQuery v1.10.1
since Oct 2017

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

See who blocks each AI crawler across the web

AI Crawlers

Policy unknown

Full breakdown

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

LCP2.2 s
INP50 ms
CLS0.55
TTFB8400 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

HostTechs
cem.edu.pl 2
www.cem.edu.pl 2

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