| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 8.5M sites |
| Payments & Checkout | |
| Stripe Payment processing platform for online businesses | 1.3M sites |
| WooCommerce Stripe Payment Gateway WooCommerce extension accepting card payments through Stripe | 416.3K sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| wpBakery Drag-and-drop page builder plugin for WordPress | 3.3M sites |
| Hosting & Cloud Providers | |
| Hurricane Hurricane Electric global internet backbone and colocation provider. | 232.6K sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 129.2M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 146.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| Front-End Frameworks & UI Toolkits | |
| PWA Progressive web app technology enabling installable, offline-capable sites | 29.5M sites |
| JavaScript Libraries & Widgets | |
| Animate.css CSS library providing ready-made animation effects | 6.1M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 8.4M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| Gravatar Service serving globally recognized avatar images by email | 1M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 8.4M sites |
| Wc | 5.9M sites |
| Wccom Site | 5.8M sites |
| Wc Admin | 5.8M sites |
| Wc Analytics | 5.8M sites |
| Wc Telemetry | 5.6M sites |
| Wc Admin Email | 4.8M sites |
| Wc Push Notifications | 1.3M sites |
| Wc Shipment Tracking | 87.7K sites |
| Wc Ast | 61.2K sites |
| Wppayform | 3.6K sites |
| Yumyoda CopWatchdog Other | 1 sites |
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