| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 19.2M sites |
| Hosting & Cloud Providers | |
| Voxility Infrastructure hosting with DDoS protection. | 104.9K 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 |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 127.7M sites |
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