| CMS & Website Builders | |
| Hugo Fast static site generator for building websites | 453.4K sites |
| Hosting & Cloud Providers | |
| netcup German provider of servers and web hosting | 1.1M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 191.7M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 15.3M sites |
| jQuery CDN Content delivery network serving the jQuery library | 6.2M sites |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 17M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 141.9M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 37.9M sites |
| JavaScript Libraries & Widgets | |
| KaTeX Fast JavaScript library for rendering mathematical notation in browsers. | 92.2K sites |
| PhotoSwipe JavaScript image gallery and lightbox library for touch devices. | 16.6K sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 92.3M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 127.7M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 54.2M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 57.4M sites |
| Google Font API Google service delivering free web fonts to websites | 90.8M sites |
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