What powers fsj.org.pl?
Last seen Aug 2026 · 22 technologies across 12 categories
Analytics
Caching
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
WordPress plugins
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.44 / 10 · ranked #961,540 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 3.8 MB · 74 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Fundacja Świętego Józefa Konferencji Episkopatu Polski
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on AS-SMARTHOST- (91.211.222.52, IPv6)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 12,648,906, 4 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Priority Hints Aug 2026
- dropped Nginx May 2026
- dropped OpenResty May 2026
- detected Nginx Mar 2026
- detected OpenResty Mar 2026
- dropped Slick Mar 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- detected Slick Dec 2025
- dropped WordPress Multisite Nov 2025