| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress.com Hosted WordPress publishing and website platform. | 5.3M sites |
| WordPress Themes & Plugins | |
| Jetpack Automattic plugin adding security, performance, and site tools to WordPress | 2.7M 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 |
| Business Email & Productivity | |
| Rackspace Managed cloud and hosting services provider | 2M sites |
| CDN & Edge Delivery | |
| Unpkg CDN serving packages published to the npm registry | 5.2M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Swiper Modern touch slider and carousel library for web and mobile | 25M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M 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 |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| Media, Maps & Social | |
| EmbedPress WordPress plugin embedding content from many external sources | 168.3K sites |
| ShareThis Social sharing buttons and engagement widget for sites | 527.1K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| other | |
| wp.cloud Managed WordPress hosting platform offered to hosting partners | 128.7K sites |
| Yoast | 9.2M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Redirection SEO | 2.6M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Yoast Duplicate Post Other | 1.8M sites |
| Regenerate Thumbnails Other | 806.8K sites |
| Quadlayers | 272.2K sites |
| EmbedPress – PDF Embedder, 3D PDF FlipBook, Google Reviews, YouTube Videos, Upload & Embed PDF documents Content & Media | 69.7K sites |
| Mwai Ui | 64.5K sites |
| Mwai | 63.9K sites |
| Meow Licenser | 44K sites |
| Freemius for WordPress Other | 188 sites |
| Pwp | 175 sites |
| Swell AI Image Block Content & Media | 6 sites |
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