| 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 Multisite WordPress feature running multiple sites from one installation | 1.4M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| Hosting & Cloud Providers | |
| As17378 - Tierpoint, Llc Datacenter, colocation, and cloud hosting provider network operator. | 157K sites |
| Security & Bot Defense | |
| MiniOrange Login Single sign-on and authentication solution for securing website logins. | 15.3K sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| LiteSpeed High-performance web server known for speed and caching | 39.6M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Pure CSS Lightweight modular CSS framework by Yahoo. | 111.7K sites |
| JavaScript Libraries & Widgets | |
| Backbone.js JavaScript framework structuring apps with models and views | 742.2K sites |
| Magnific Popup Responsive lightbox and popup library for images and content | 8.2M sites |
| Moment.js JavaScript library for parsing and formatting dates | 2.7M sites |
| Moxie JavaScript runtime library powering cross-browser file uploads | 236.6K sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 10.2M sites |
| Plupload JavaScript library handling multi-file uploads across browsers | 231.3K sites |
| Prism Lightweight JavaScript syntax highlighter for code display. | 189.9K sites |
| Slick Responsive carousel and slider library for web pages | 9.9M sites |
| Slider Revolution Popular slider and visual content builder for WordPress sites | 6.6M 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 |
| Media, Maps & Social | |
| Weglot Translation service making websites multilingual | 279.7K 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 | |
| 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 |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 8.8M sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Elementor Ai | 7.1M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M 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 |
| Sliderrevolution | 1.1M sites |
| Mc4wp | 1M sites |
| MailPoet – Newsletters, Email Marketing, and Automation Marketing & Email | 293.7K sites |
| Gosmtp Smtp | 187.8K sites |
| Wc Kliken | 47.3K sites |
| Tutor LMS – eLearning and online course solution Other | 41.6K sites |
| BuddyPress Other | 36.3K sites |
| Mailpoet Email Editor | 20K sites |
| SiteSEO – SEO Simplified SEO | 11.1K sites |
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