| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 10.9M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Jetpack Automattic plugin adding security, performance, and site tools to WordPress | 2.7M sites |
| Redux Framework Options framework used by WordPress themes and plugins | 1.7M sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Hosting & Cloud Providers | |
| A2 Hosting Web hosting provider emphasizing speed | 358.5K sites |
| Whg-Fra Hosting network operator point of presence. | 125K sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| JavaScript Libraries & Widgets | |
| Chosen JavaScript library enhancing select boxes with search | 830.7K sites |
| Lightbox JavaScript script displaying images in an overlay popup | 7.6M sites |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| Slick Responsive carousel and slider library for web pages | 9.9M sites |
| Slider Revolution Popular slider and visual content builder for WordPress sites | 6.6M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53M sites |
| slideout JavaScript library for touch slideout navigation menus. | 143.1K sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 8.8M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Elementor Pro | 4.9M sites |
| Litespeed | 3.8M sites |
| Wc | 3.7M sites |
| Wccom Site | 3.7M sites |
| Wc Admin | 3.7M sites |
| Wc Analytics | 3.7M sites |
| Wc Telemetry | 3.5M sites |
| Wc Admin Email | 3M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Mc4wp | 1M sites |
| Wc Push Notifications | 708.8K sites |
| WooCommerce Analytics Commerce & Selling | 371.5K sites |
| Redux | 141.4K sites |
| Pods – Custom Content Types and Fields Other | 81.3K sites |
| V1 | 40.9K sites |
| Extendify Design & Themes | 10K sites |
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