| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| SiteOrigin Page Builder WordPress plugin building page layouts with widgets | 332.4K sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.8M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 146.9M sites |
| OpenResty Nginx-based web platform bundling Lua scripting support | 29.8M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16.4M sites |
| other | |
| Fibo | 1.4K sites |
| Yoast | 13.7M sites |
| Contact Form 7 Forms & Popups | 10.4M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 5.8M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 5.8M sites |
| Litespeed | 5.5M sites |
| Wordfence Login Security Security & Privacy | 4.1M sites |
| Sowb | 416K sites |
| Page Builder by SiteOrigin Design & Themes | 205.1K sites |
| Widewalk – Accessibility Toolbar Design & Themes | 152 sites |
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