What powers biblioteki.org?
Last seen Aug 2026 · 34 technologies across 18 categories
Analytics
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Operating systems
Programming languages
Security
SEO
UI frameworks
Video players
Web frameworks
Web server extensions
Web servers
Webmail
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #298,172 of all domains
126 referring domains · OpenPageRank
Search traffic
5 est. monthly organic visits (US)
1 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 4.3 MB · 93 requests
- WordPress theme: bibliotekiresources · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PL-BEYOND-AS (2.57.138.98)
- DNS: netventure.pl
- Email: Google Workspace
- Email security: SPF (neutral), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 1,090,309, 16 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.5prb.biblioteki.org | 17 |
| biblioteki.org | 16 |
| 5prb.biblioteki.org | 15 |
| www.biblioteki.org | 15 |
| stare.biblioteki.org | 9 |
Full technology history →
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Recent changes
- dropped Nginx Jun 2026
- detected MailerLite May 2026