| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 11.1M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 77.2M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.8M sites |
| Hosting & Cloud Providers | |
| Twentyi UK reseller and web hosting platform provider with datacenters. | 1M sites |
| CDN & Edge Delivery | |
| StackPath Edge content delivery network with security and WAF services. | 819K sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 82.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 117.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 45.1M sites |
| UIKit Lightweight modular front-end framework for web interfaces | 1.4M sites |
| JavaScript Libraries & Widgets | |
| Slick Responsive carousel and slider library for web pages | 10M sites |
| bxSlider Responsive jQuery content slider and carousel library | 1.6M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 117.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53.9M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 79.4M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 77.7M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 72.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 73M sites |
| Google Font API Google service delivering free web fonts to websites | 110M 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 |
| Wc | 3.7M sites |
| Wccom Site | 3.7M sites |
| Wc Admin | 3.7M sites |
| Wc Analytics | 3.7M sites |
| Wc Telemetry | 3.5M sites |
| Ibtana – WordPress Website Builder Design & Themes | 9.1K sites |
| Ive | 9.1K sites |
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