What powers oij.edu.pl?
Last seen Aug 2026 · 21 technologies across 13 categories
CDN
Google Cloud CDN
since Nov 2025
jsDelivr
since Nov 2025
Font scripts
Google Font API
since Nov 2025
IaaS
Google Cloud
since Nov 2025
JavaScript frameworks
JavaScript graphics
KaTeX
since Nov 2025
Miscellaneous
Performance
Priority Hints
since Nov 2025
Programming languages
Node.js
since Nov 2025
Reverse proxies
Envoy
since Nov 2025
Static site generator
UI frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.32 / 10 · ranked #1,106,001 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish
- Weight: 0.7 MB · 22 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on UW-AS (193.0.109.77)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail)
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 11,243,979, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| testy.oij.edu.pl | 17 |
| oij.edu.pl | 5 |