| Hosting & Cloud Providers | |
| netcup German provider of servers and web hosting | 1.1M sites |
| CDN & Edge Delivery | |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 17M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 122.9M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 70.4M sites |
| JavaScript Libraries & Widgets | |
| KaTeX Fast JavaScript library for rendering mathematical notation in browsers. | 92.2K 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 | |
| Google Font API Google service delivering free web fonts to websites | 90.8M sites |
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