| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 18.2M sites |
| Hosting & Cloud Providers | |
| Firebase Google backend platform providing hosting, database, and auth services | 1.6M 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 |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| other | |
| Firebase Hosting | 212 sites |
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