| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 188.1M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 19M sites |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 20.2M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 141.3M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 162.6M sites |
| Ubuntu Popular Linux operating system used for servers | 19.2M sites |
| Languages & Back-End Frameworks | |
| Django High-level Python web framework for rapid development | 691.9K sites |
| Python General-purpose programming language used for web backends | 3.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 45.6M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 73.5M sites |
| other | |
| Kenya-Red-Cross | 1 sites |
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