What powers 
fen.pl?
Last seen Sep 2026 · 61 technologies across 26 categories
Accessibility
Analytics
Authentication
CMS
Cookie compliance
Customer data platform
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web servers
Widgets
WordPress plugins
WordPress themes
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
- Sep 2026 *: Restricted (was Blocked)
- Sep 2026 google-cloudvertexbot removed from robots.txt
- Sep 2026 google-extended removed from robots.txt
- Sep 2026 googleother removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 meta-externalfetcher removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 96% desktop
- 4% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.42 / 10 · ranked #982,375 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 4.0 MB · 184 requests
- WordPress theme: twentyseventeen · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on HOMEPL-AS (89.161.250.169)
- DNS: home.pl
- Email: sophos.com
- Email security: SPF, DMARC reject, DNSSEC signed, MTA-STS, BIMI
- SSL: Certum, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 10,986,407, 22 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fen.pl | 37 |
| event.fen.pl | 34 |
| orico.fen.pl | 23 |
| b2b.fen.pl | 10 |
Full technology history →
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