What powers duon.pl?
Last seen Sep 2026 · 38 technologies across 18 categories
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 23% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #853,594 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 2.2 MB · 86 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- DUON
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on LH (178.211.137.248)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed, CAA
- SSL: nazwa.pl, ECDSA P384, wildcard, expires Feb 2027
- Common Crawl link graph: rank 12,993,275, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| duon.pl | 27 |
| przetestuj.duon.pl | 19 |
| gaz.duon.pl | 18 |
| lng.duon.pl | 17 |
| gazdlafirm.duon.pl | 13 |
| www.duon.pl | 7 |
Full technology history →
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Recent changes
- detected jQuery Migrate Jun 2026
- detected reCAPTCHA Jun 2026
- detected Select2 Jun 2026
- detected Uploadcare Nov 2025