| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| Hosting & Cloud Providers | |
| Planethoster-8 Web hosting provider offering shared, reseller, and cloud hosting plans. | 95.4K sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| LiteSpeed High-performance web server known for speed and caching | 39.6M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| SWFObject JavaScript library embedding legacy Adobe Flash content | 427.4K sites |
| Slick Responsive carousel and slider library for web pages | 9.9M 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 |
| jQuery UI jQuery-based library of UI widgets and interactions | 7.4M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| LiteSpeed Cache WordPress caching and optimization plugin for LiteSpeed servers | 11.1M sites |
| SEO & Content Discovery | |
| 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 |
| other | |
| Litespeed Cache | |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Litespeed | 3.8M sites |
| Hub Connector | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| Cookieyes | 482.7K sites |
| Wpmudev_blc | 374K sites |
| WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin Marketing & Email | 285.5K sites |
| Tnp | 85K sites |
| Newsletter – Send awesome emails from WordPress Commerce & Selling | 41.5K sites |
| If Menu – Visibility control for Menus Design & Themes | 34.3K sites |
| MindCat Content & Media | 105 sites |
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