| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| WordPress Site Editor Full-site editing interface built into modern WordPress | 5.1M sites |
| Business Email & Productivity | |
| Proton Mail Encrypted email service focused on privacy | 474.4K sites |
| Hosting & Cloud Providers | |
| DigitalOcean Cloud hosting provider offering virtual servers and services | 2.3M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Ubuntu Popular Linux operating system used for servers | 18M 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 |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| ActivityPub Other | 5.9K sites |
| Friends Content & Media | 848 sites |
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