What powers wczerni.pl?
Last seen Aug 2026 · 16 technologies across 11 categories
Advertising
Google AdSense
since Jul 2022
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
Blogs
Blogger
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Feb 2022
Comment systems
Disqus
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
Web servers
OpenGSE
since Jan 2019
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
- 100% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.83 / 10 · ranked #4,210,029 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Google
- Weight: 2.1 MB · 103 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: az.pl
- Email: zohomail.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 31,998,702
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted