| CMS & Website Builders | |
| LifterLMS WordPress plugin for building and selling online courses. | 14.5K sites |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Gutenberg Block-based content editor project for WordPress | 2.4M sites |
| Stackable Gutenberg block library for WordPress page building. | 178.6K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| WordPress Site Editor Full-site editing interface built into modern WordPress | 5.1M sites |
| Hosting & Cloud Providers | |
| Namecheap Domain registrar and web hosting provider | 11.2M sites |
| Web Servers & Operating Systems | |
| LiteSpeed High-performance web server known for speed and caching | 39.6M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| 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 |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| LiteSpeed Cache WordPress caching and optimization plugin for LiteSpeed servers | 11.1M sites |
| Media, Maps & Social | |
| YouTube Video hosting platform whose players embed into web pages | 8M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| other | |
| Litespeed Cache | |
| Litespeed | 3.8M sites |
| Hub Connector | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| Forminator Forms – Contact Form, Payment Form & Custom Form Builder Forms & Popups | 464.4K sites |
| Simple History – Track, Log, and Audit WordPress Changes Other | 292.2K sites |
| Gosmtp Smtp | 187.8K sites |
| Stackable | 100.4K sites |
| BuddyPress Other | 36.3K sites |
| Llms | 9.6K sites |
| Traffic Analytics | 5K sites |
| Activecampaign | 3.5K sites |
| DecaLog Other | 1.4K sites |
| IP Locator Other | 526 sites |
| Vibes Other | 261 sites |
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