| Payments & Checkout | |
| Ko-fi Platform for creators to accept donations, memberships, and shop sales. | 63.4K sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Divi Popular WordPress theme and visual page builder | 3.9M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M 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 |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| JavaScript Libraries & Widgets | |
| FitVids.JS JavaScript utility making embedded videos responsive | 5M sites |
| Magnific Popup Responsive lightbox and popup library for images and content | 8.2M sites |
| Slick Responsive carousel and slider library for web pages | 9.9M sites |
| Swiper Modern touch slider and carousel library for web and mobile | 25M sites |
| TinyMCE JavaScript rich text WYSIWYG editor for the web | 447.2K 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 |
| WP Rocket Premium WordPress caching and performance optimization plugin | 3.8M sites |
| Media, Maps & Social | |
| Easy Pie Chart Lightweight library rendering simple animated pie charts | 1.5M 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 |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 10.4M 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 |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Awaresoft Unclassified technology with no clear functional category identified. | 55.4K sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 3.9M sites |
| Rankmath | 2.6M sites |
| Divi | 1.8M sites |
| Wp Rocket | 1.7M sites |
| Webp Converter Content & Media | 412.8K sites |
| Easy Google Fonts Other | 86K sites |
| WP Recipe Maker SEO | 39.6K sites |
| Divi Carousel Free | 19K sites |
| Book Review Block Other | 674 sites |
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