| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 56.5M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 48.2M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 67.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 89.1M sites |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 90.4M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 39.3M sites |
| prettyPhoto jQuery lightbox library for images, video, and content | 1.7M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 58.4M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 122.9M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 53.2M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 87.6M sites |
| other | |
| Icubedev | 149 sites |
| Yoast | 13.5M sites |
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