| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M 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 |
| Hosting & Cloud Providers | |
| Evanzoas Network operator and autonomous system for internet infrastructure. | 212.1K sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 6.4M 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 | |
| Swiper Modern touch slider and carousel library for web and mobile | 25M 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 |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Complianz | 1.4M sites |
| Hub Connector | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| Regenerate Thumbnails Other | 806.8K sites |
| Ithemes Security | 754.7K sites |
| Wpmudev_blc | 374K sites |
| Burst | 187.5K sites |
| Sweep | 150.7K sites |
| Statify Analytics | 71.4K sites |
| Twentig Supercharged Block Editor – Blocks, Patterns, Starter Sites, Portfolio Design & Themes | 19K sites |
| Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance Design & Themes | 11.9K sites |
| Edac | 11.8K sites |
| AAA Option Optimizer Other | 9.4K sites |
| Cachify Performance & Speed | 6.9K sites |
| ActivityPub Other | 5.9K sites |
| Webmention Other | 876 sites |
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