What powers bck.pl?
Last seen Aug 2026 · 13 technologies across 9 categories
Analytics
CMS
Joomla
since Feb 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Programming languages
UI frameworks
Bootstrap
since Feb 2022
Web servers
LiteSpeed
since Feb 2022
Webmail
Microsoft 365
since Aug 2022
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.65 / 10 · ranked #5,282,952 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 1.4 MB · 60 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NETARTGROUP (77.55.252.113)
- DNS: home.pl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 13,802,612, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bck.pl | 13 |
| www.bck.pl | 13 |