| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Redux Framework Options framework used by WordPress themes and plugins | 1.7M sites |
| Web Analytics & Measurement | |
| Statcounter Web analytics service tracking visitor traffic and behavior | 786.7K sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Redis In-memory data store used for caching and messaging | 675.1K sites |
| Redis Object Cache WordPress plugin caching database objects in Redis | 573.6K sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| WP Rocket Premium WordPress caching and performance optimization plugin | 3.8M 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 |
| Fonts & Icons | |
| Gravatar Service serving globally recognized avatar images by email | 1.2M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Yoast | 9.2M sites |
| Wp Rocket | 1.7M sites |
| Hub Connector | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| Llar | 873.8K sites |
| Regenerate Thumbnails Other | 806.8K sites |
| Ithemes Security | 754.7K sites |
| Wp Toolkit | 595.4K sites |
| Wpmudev_blc | 374K sites |
| Featured Image from URL (FIFU) Commerce & Selling | 42.6K sites |
| Bing Url Submission | 32K sites |
| TextBuilder Content & Media | 3.1K sites |
| Random Content Other | 1.4K sites |
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