What powers biebrza.org.pl?
Last seen Jun 2026 · 9 technologies across 5 categories
JavaScript libraries
Miscellaneous
Programming languages
PHP
since May 2024
Security
HSTS
since Sep 2022
Webmail
Microsoft 365
since Dec 2023
Audience
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.71 / 10 · ranked #308,319 of all domains
112 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Polish
- Weight: 1.4 MB · 57 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| archiwum.biebrza.org.pl | 9 |
| archiwum2.biebrza.org.pl | 9 |
| www.bip.biebrza.org.pl | 9 |
| www.biebrza.org.pl | 7 |
Full technology history →
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Recent changes
- detected HTTP/3 Feb 2026