What powers mckb.pl?
Last seen Oct 2026 · 12 technologies across 10 categories
Font scripts
Google Font API
since Aug 2022
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Operating systems
Debian
since Aug 2022
Programming languages
PHP
since Aug 2022
Security
reCAPTCHA
since Aug 2022
UI frameworks
Web frameworks
CodeIgniter
since Aug 2022
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 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
2.00 / 10 · ranked #3,594,841 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Polish
- Weight: 39.5 MB · 191 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on KAPPA-PL-AS (91.242.174.245)
- DNS: ultra.pl
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- Common Crawl link graph: rank 12,425,337, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026. How the web is hosted