| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 56.5M sites |
| WordPress Themes & Plugins | |
| Twenty Twenty Default WordPress theme released with the 2020 version | 218.5K sites |
| WPML WordPress plugin for building multilingual websites | 1.4M sites |
| Web Analytics & Measurement | |
| Open Web Analytics Self-hosted open source web analytics software written in PHP | 3.8K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 170.6M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 14.9M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 67.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 89.1M sites |
| Front-End Frameworks & UI Toolkits | |
| PWA Progressive web app technology enabling installable, offline-capable sites | 26.5M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 90.4M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 39.3M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 58.4M sites |
| Performance & Optimization | |
| WP Fastest Cache WordPress caching plugin improving page load speed | 845.6K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 122.9M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 53.2M sites |
| The SEO Framework Lightweight WordPress plugin managing on-page SEO | 217.2K sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 56.1M sites |
| Code Snippets Design & Themes | 1.7M sites |
| Otgs | 1M sites |
| Wpml | 973.6K sites |
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