| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| WordPress Themes & Plugins | |
| Astra Lightweight, customizable WordPress theme for many site types | 4.4M sites |
| CDN & Edge Delivery | |
| Akamai Global content delivery and edge computing network | 10M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 146.9M 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 |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 65.2M 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 |
| Yoast | 13.7M sites |
| Nps Survey | 4.6M sites |
| Astra | 3M sites |
| SerpJet Publisher SEO | 2 sites |
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