What powers paderewski.edu.pl?
Last seen Sep 2026 · 10 technologies across 8 categories
Font scripts
Font Awesome
since Oct 2020
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Oct 2021
Rich text editors
CKEditor
since Oct 2020
Security
HSTS
since Sep 2022
Video players
VideoJS
since Jun 2022
Web servers
Apache HTTP Server
since Oct 2020
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.39 / 10 · ranked #7,620,122 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish
- Weight: 3.6 MB · 58 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Email: 171.17
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 18,250,587, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted