| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Cloudflare Browser Insights Cloudflare real-user monitoring capturing page performance metrics | 5.3M sites |
| Business Email & Productivity | |
| Google Workspace Google suite for business email, docs, and collaboration tools | 20.2M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| Security & Bot Defense | |
| Detectify Automated web application vulnerability scanning and attack surface monitoring. | 8.1K sites |
| HIBP Service checking whether credentials appear in data breaches. | 34.1K sites |
| 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 |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Modern Image Formats Optimization serving next-gen image formats like WebP and AVIF | 288.6K sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 32.3M sites |
| 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 |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Redirection SEO | 2.6M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Complianz | 1.4M sites |
| Code Snippets Design & Themes | 1.1M sites |
| FluentSMTP – WP SMTP Plugin with Amazon SES, SendGrid, Mailgun, Postmark, Cloudflare, toSend, Gmail and Any SMTP Other | 468.2K sites |
| Seopress | 280.4K sites |
| Complianz_tc | 220.6K sites |
| Performance Lab Performance & Speed | 132.3K sites |
| Saswp Output | 119.1K sites |
| Spc | 49.1K sites |
| Wpra | 29.7K sites |
| ActivityPub Other | 5.9K sites |
| Nodeinfo2 | 922 sites |
| NodeInfo(2) Other | 922 sites |
| Webmention Other | 876 sites |
| Friends Content & Media | 848 sites |
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