| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Astra Lightweight, customizable WordPress theme for many site types | 5.8M sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Hosting & Cloud Providers | |
| Websupport-Sro-Sk-As Network operator identifier for Websupport hosting | 513.3K sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| OpenResty Nginx-based web platform bundling Lua scripting support | 28.2M 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 |
| W3 Total Cache WordPress caching plugin improving site speed and performance | 1.3M 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 |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Nps Survey | 3M sites |
| Astra | 1.9M sites |
| Complianz | 1.4M sites |
| Zipwp Images | 1.1M sites |
| One Onboarding | 899.8K sites |
| Uag | 543.4K sites |
| Spectra | 542K sites |
| Burst | 187.5K sites |
| Shield | 29.3K sites |
| CSP Violation Reporter Security & Privacy | 6 sites |
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