| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Hosting & Cloud Providers | |
| Flywheel Managed WordPress hosting provider | 324.8K sites |
| CDN & Edge Delivery | |
| Fastly Edge cloud platform and content delivery network | 2.6M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53M 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 | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Redirection SEO | 2.6M sites |
| Health Check & Troubleshooting Other | 229.4K sites |
| Post Duplicator Content & Media | 154.8K sites |
| Gf | 140.9K sites |
| Flywheel | 111.9K sites |
| V1 | 40.9K sites |
| Wicked Folders – Folder Organizer for Pages, Posts, and Custom Post Types Other | 23K sites |
| MtphrSettings | 21.8K sites |
| Github Updater | 12.1K sites |
| Git Updater | 10.8K sites |
| Pre Cache | 283 sites |
| Comparison Themes | 283 sites |
| Modulation | 283 sites |
| Urgency Message | 281 sites |
| Database Cleanup | 281 sites |
| Image Usage | 211 sites |
| Template Usage Design & Themes | 184 sites |
| Ttrezdy | 30 sites |
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