| Payments & Checkout | |
| PayPal Online payment platform for sending and accepting money | 3.8M sites |
| Communications | |
| SendGrid Cloud email delivery service for transactional and marketing mail | 3.9M sites |
| Hosting & Cloud Providers | |
| Amazon Web Services Amazon cloud platform offering compute, storage, and hosting | 14.1M sites |
| Udag German domain registrar and web hosting services provider. | 1.3M sites |
| CDN & Edge Delivery | |
| Amazon CloudFront Amazon content delivery network serving cached content globally | 6.5M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 122.9M sites |
| Web Servers & Operating Systems | |
| Envoy High-performance service proxy for cloud-native applications | 2.1M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 127.7M sites |
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