| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Max Mega Menu WordPress plugin building advanced dropdown mega menus | 1.6M sites |
| aThemes Sydney Multipurpose WordPress theme by aThemes. | 153.6K 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 |
| Customer Chat & Support | |
| Tidio Live chat and chatbot customer messaging platform. | 96.4K sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| Business Email & Productivity | |
| IONOS Mail Business email hosting service from IONOS | 298.8K sites |
| Hosting & Cloud Providers | |
| IONOS Web hosting and domain provider offering managed plans | 12.6M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| Swiper Modern touch slider and carousel library for web and mobile | 25M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M 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 |
| WPMU DEV Smush WordPress plugin compressing and optimizing site images | 727.2K 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 |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Yoast | 9.2M 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 |
| Elementor One | 5.7M sites |
| Hub Connector | 1.2M sites |
| Wp Smush | 1.1M sites |
| Wpmudev_pcs | 878.7K sites |
| Image Optimizer | 646.8K sites |
| Hummingbird | 143.8K sites |
| Solidwp Mail | 34.1K sites |
| Stratum | 17.6K sites |
| Collapsing Categories Content & Media | 1.4K sites |
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