| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 8.5M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 17.8M sites |
| The Events Calendar WordPress plugin managing and displaying events and calendars | 734.4K sites |
| Advertising & Conversion Tracking | |
| Facebook Pixel Meta tracking pixel measuring ad conversions and building audiences | 8.5M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.8M sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 10.1M sites |
| CDN & Edge Delivery | |
| Unpkg CDN serving packages published to the npm registry | 4.5M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.2M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M 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 | |
| Backbone.js JavaScript framework structuring apps with models and views | 583.5K sites |
| Magnific Popup Responsive lightbox and popup library for images and content | 6.4M sites |
| Select2 JavaScript library enhancing select boxes with search and tags | 1.5M sites |
| Slick Responsive carousel and slider library for web pages | 7.7M sites |
| Swiper Modern touch slider and carousel library for web and mobile | 20M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 5M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery BlockUI jQuery plugin that blocks page interaction during AJAX requests. | 165.1K 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 |
| WordPress Super Cache WordPress plugin generating static cached pages for speed | 966.8K sites |
| Media, Maps & Social | |
| Chart.js JavaScript library rendering charts on HTML canvas | 1.1M sites |
| Leaflet JavaScript library for building interactive maps | 955.1K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| Yoast | 13.7M sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 13.4M sites |
| Elementor Ai | 11.1M sites |
| Contact Form 7 Forms & Popups | 10.4M sites |
| Elementor One | 9.1M 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 |
| Ai1wm | 2.2M sites |
| Code Snippets Design & Themes | 1.8M sites |
| WP Super Cache Performance & Speed | 1.5M sites |
| Wc Push Notifications | 1.3M sites |
| tribe Other | 739.4K sites |
| Paypal | 719.5K sites |
| Payments | 678K sites |
| Cptui | 666.6K sites |
| Tec | 619.7K sites |
| MetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder for Elementor Other | 454.1K sites |
| Wc Facebook | 397K sites |
| Fb_api | 327.4K sites |
| Health Check & Troubleshooting Other | 321.4K sites |
| Wcpa | 43.8K sites |
| Wpvibe | 41.8K sites |
| Wpc | 24.4K sites |
| Wpda | 18.3K sites |
| Mmc | 131 sites |
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