| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 138.5M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 159.7M sites |
| Nginx High-performance web server and reverse proxy widely deployed | 160.7M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 110M sites |
| other | |
| Nl-Virticaloper-20260526 - Virtical Operations B.V. | 24 sites |
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