| Ecommerce & Shopping Carts | |
| Shopify Hosted ecommerce platform for building and running online stores | 7.1M sites |
| Payments & Checkout | |
| PayPal Online payment platform for sending and accepting money | 3.9M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 208.7M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 129.2M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 157.2M sites |
| JavaScript Libraries & Widgets | |
| Matter.js JavaScript 2D rigid body physics engine. | 338.7K sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| other | |
| Instafeed Instagram feed widget for embedding posts on storefronts | 6.4K sites |
| Vidjet | 887 sites |
| Judge.me Product Reviews App SEO | 703.7K sites |
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