| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 10.9M sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress.com Hosted WordPress publishing and website platform. | 5.3M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Gutenberg Block-based content editor project for WordPress | 2.4M sites |
| Jetpack Automattic plugin adding security, performance, and site tools to WordPress | 2.7M sites |
| Advertising & Conversion Tracking | |
| Facebook Pixel Meta tracking pixel measuring ad conversions and building audiences | 10.1M sites |
| Marketing & Email Campaigns | |
| MailChimp for WooCommerce Plugin syncing WooCommerce stores with Mailchimp marketing | 326.3K sites |
| Business Email & Productivity | |
| Titan Business email hosting built for professionals and domains | 875.4K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| Unpkg CDN serving packages published to the npm registry | 5.2M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 18.2M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| DataTables jQuery plugin adding sorting, paging, and search to tables | 977K sites |
| Select2 JavaScript library enhancing select boxes with search and tags | 1.8M sites |
| Stellar.js jQuery plugin creating parallax scrolling effects | 643.7K sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 6.3M 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 | |
| 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 |
| other | |
| MailChimp | |
| Titan Email Hosted business email service tied to domain registrars | 954.5K 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 |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Wc | 3.7M sites |
| Wccom Site | 3.7M sites |
| Wc Admin | 3.7M sites |
| Wc Analytics | 3.7M sites |
| Wc Telemetry | 3.5M sites |
| Wc Admin Email | 3M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Wc Push Notifications | 708.8K sites |
| Payments | 438.2K sites |
| Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popup Builder Marketing & Email | 397.8K sites |
| WooCommerce Analytics Commerce & Selling | 371.5K sites |
| Ea11y | 331.6K sites |
| AMP Performance & Speed | 318.7K sites |
| Newspack Blocks | 310.5K sites |
| Jetpack Global Styles | 309.4K sites |
| Wpcomsh | 308.5K sites |
| Help Center | 308.5K sites |
| Wp Sync | 296.9K sites |
| Wc Facebook | 277.2K sites |
| Fb_api | 226.4K sites |
| Mailchimp for WooCommerce Commerce & Selling | 163.8K sites |
| Email Deliverability – SMTP Replacement, Email API Deliverability & Email Log Marketing & Email | 140.1K sites |
| Wc Shipment Tracking | 59.1K sites |
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