| CMS & Website Builders | |
| MediaWiki Open-source wiki software powering Wikipedia and knowledge bases. | 51.8K sites |
| Hosting & Cloud Providers | |
| netcup German provider of servers and web hosting | 1.1M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 141.9M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 91.4M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 54.2M sites |
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