The Payment Security Stack: What 3,200 Websites Reveal About Payment Infrastructure
We analyzed 3,224 websites with detected payment providers and cross-referenced them with SEO, EEAT, WCAG, server, DNS, and mail infrastructure data. PayPal sites are 69% gambling. Stripe sites run on nginx and enterprise DNS. Square sites serve traditional businesses on Apache. Your payment provider choice correlates with your entire infrastructure profile — and your quality grades.