| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Astra Lightweight, customizable WordPress theme for many site types | 5.8M sites |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Essential Addons for Elementor WordPress plugin adding widgets and extensions to Elementor | 951.7K sites |
| Customer Chat & Support | |
| Premio Chaty WordPress plugin adding a multi-channel chat widget | 439.7K sites |
| Forms & Lead Capture | |
| Mailcheck JavaScript utility suggesting corrections for mistyped email addresses | 1.2M sites |
| WPForms Beginner-friendly WordPress drag-and-drop form builder | 899.4K sites |
| Hosting & Cloud Providers | |
| As-Reg Network operator identifier detected via hosting infrastructure | 1.5M 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 |
| JavaScript Libraries & Widgets | |
| Swiper Modern touch slider and carousel library for web and mobile | 25M 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 |
| punycode JavaScript utility encoding internationalized domain names | 1.3M 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 | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 4.7M sites |
| All in One SEO Pack WordPress plugin managing SEO settings, sitemaps, and metadata | 4.2M sites |
| 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 |
| Elementor Website Builder – more than just a page builder Design & Themes | 8.8M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Wpforms | 2.2M sites |
| Astra | 1.9M sites |
| Aioseo | 1.5M sites |
| Bsf Core | 1.3M sites |
| Gutenberg Templates | 1.1M sites |
| Wp Smush | 1.1M sites |
| Uag | 543.4K sites |
| Spectra | 542K sites |
| Astra_addon | 185.5K sites |
| AnyComment Social & Community | 4.4K sites |
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