| CMS & Website Builders | |
| BuddyPress WordPress plugin adding social network and community features to sites. | 27.3K sites |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Press Customizr Multipurpose WordPress theme. | 66.2K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Hosting & Cloud Providers | |
| Twentyi UK reseller and web hosting platform provider with datacenters. | 991.4K sites |
| CDN & Edge Delivery | |
| StackPath Edge content delivery network with security and WAF services. | 809K sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| Moment.js JavaScript library for parsing and formatting dates | 2.7M 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 | |
| Speculative Loading Browser feature prefetching pages to speed up navigation | 148.9K sites |
| SEO & Content Discovery | |
| 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 |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Google Font API Google service delivering free web fonts to websites | 105.7M 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 |
| Hub Connector | 1.2M sites |
| Wp Smush | 1.1M sites |
| Health Check & Troubleshooting Other | 229.4K sites |
| Crop_thumbnails | 39.9K sites |
| BuddyPress Other | 36.3K sites |
| WebSub (FKA. PubSubHubbub) Content & Media | 29.4K sites |
| Zero Spam for WordPress Security & Privacy | 11.4K sites |
| ActivityPub Other | 5.9K sites |
| Nodeinfo2 | 922 sites |
| NodeInfo(2) Other | 922 sites |
| Webmention Other | 876 sites |
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