| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 17.8M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.8M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.2M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 146.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| Lightbox JavaScript script displaying images in an overlay popup | 5.9M sites |
| Swiper Modern touch slider and carousel library for web and mobile | 20M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M sites |
| Media, Maps & Social | |
| Imagely NextGEN Gallery WordPress plugin creating advanced photo galleries | 115.2K sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 13.4M sites |
| Elementor Ai | 11.1M sites |
| Contact Form 7 Forms & Popups | 10.4M sites |
| Elementor One | 9.1M sites |
| Litespeed | 5.5M sites |
| AMP Performance & Speed | 367.3K sites |
| Ngg | 300.5K sites |
| Imagely | 231.6K sites |
| Events Calendar, Tickets & Registration with QR Check-in Productivity & Operations | 5 sites |
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