| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Hosting & Cloud Providers | |
| Loopia Web hosting and domain provider | 630.7K 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 |
| Front-End Frameworks & UI Toolkits | |
| PWA Progressive web app technology enabling installable, offline-capable sites | 29.8M 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 |
| W3 Total Cache WordPress caching plugin improving site speed and performance | 1.3M sites |
| Media, Maps & Social | |
| Polylang WordPress plugin for building multilingual and translated sites | 464.8K sites |
| YouTube Video hosting platform whose players embed into web pages | 8M 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 |
| Yoast | 9.2M sites |
| Redirection SEO | 2.6M sites |
| Pll | 571.9K sites |
| Newsletter – Send awesome emails from WordPress Commerce & Selling | 41.5K sites |
| People | 169 sites |
| Bz | 81 sites |
| Donations Widget Design & Themes | 56 sites |
| Campaigns | 41 sites |
| Post Selector | 25 sites |
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