| 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 |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| CDN & Edge Delivery | |
| Akamai Global content delivery and edge computing network | 4.4M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Varnish HTTP reverse proxy and caching accelerator for web content | 6.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Magnific Popup Responsive lightbox and popup library for images and content | 8.2M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 6.3M 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 |
| Social Media & Community | |
| Pinterest Social platform whose save buttons and embeds appear on sites | 410.6K sites |
| SEO & Content Discovery | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 4.7M sites |
| All in One SEO Pack WordPress plugin managing SEO settings, sitemaps, and metadata | 4.2M sites |
| Google Generic Google service or script detected on the site | 32.3M sites |
| 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 |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Gravatar Service serving globally recognized avatar images by email | 1.2M sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 8.8M sites |
| Elementor Ai | 7.1M sites |
| Elementor One | 5.7M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wpforms | 2.2M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Aioseo | 1.5M sites |
| Performance Lab Performance & Speed | 132.3K sites |
| Wpzoom Blocks | 16.6K sites |
| Wpzf | 6K sites |
| WpzoomRCB | 5.9K sites |
| Webmention Other | 876 sites |
| Wpzoom | 613 sites |
| Sloc_geo | 237 sites |
| IndieBlocks Design & Themes | 116 sites |
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