| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 77.2M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.8M sites |
| Redux Framework Options framework used by WordPress themes and plugins | 1.7M sites |
| WP Job Openings WordPress plugin for job listings and recruitment. | 69.9K sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 60.9M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 65.4M sites |
| CDN & Edge Delivery | |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 19.9M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 138.5M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16.3M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 159.7M sites |
| Nginx High-performance web server and reverse proxy widely deployed | 160.7M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 117.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 45.1M sites |
| JavaScript Libraries & Widgets | |
| Matter.js JavaScript 2D rigid body physics engine. | 354.2K sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11.2M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 117.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53.9M sites |
| jQuery UI jQuery-based library of UI widgets and interactions | 7.9M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 79.4M sites |
| Performance & Optimization | |
| Autoptimize WordPress plugin minifying and optimizing scripts, styles, and HTML | 1.3M sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 77.7M sites |
| Media, Maps & Social | |
| Google Maps Embeddable interactive maps and location services from Google | 12.3M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 158.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 72.4M sites |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 10.5M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 110M sites |
| other | |
| Nl-Virticaloper-20260526 - Virtical Operations B.V. | 24 sites |
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