| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 8.5M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress.com Hosted WordPress publishing and website platform. | 3.1M sites |
| WordPress Themes & Plugins | |
| Jetpack Automattic plugin adding security, performance, and site tools to WordPress | 2M sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 12.2M sites |
| WordPress Site Editor Full-site editing interface built into modern WordPress | 4.1M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 129.2M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 146.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| Swiper Modern touch slider and carousel library for web and mobile | 20M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 8.4M sites |
| Wc | 5.9M sites |
| Wccom Site | 5.8M sites |
| Wc Admin | 5.8M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 5.8M sites |
| Wc Analytics | 5.8M sites |
| Wc Telemetry | 5.6M sites |
| Wc Admin Email | 4.8M sites |
| Wpcom | 3.8M sites |
| My Jetpack | 3.8M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 3.7M sites |
| Wc Push Notifications | 1.3M sites |
| Paypal | 719.5K sites |
| Payments | 678K sites |
| MailPoet – Newsletters, Email Marketing, and Automation Marketing & Email | 443K sites |
| Woocommerce Email Editor | 366.9K sites |
| Videopress | 363.3K sites |
| Newspack Blocks | 318.1K sites |
| Jetpack Global Styles | 315.6K sites |
| Help Center | 314.2K sites |
| Wpcomsh | 314.2K sites |
| Crowdsignal Forms Design & Themes | 205.6K sites |
| Wc Shipstation | 37K sites |
| Agents Manager | 28K sites |
| Wpbb | 28 sites |
| VideoWhisper Site Manager for ChatGPT, Claude, Codex, Grok Other | 24 sites |
| Blocklayouts Design & Themes | 15 sites |
| MJC Designs AI Design Assistant for Bricks Builder Productivity & Operations | 1 sites |
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