| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 122.9M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 147.9M sites |
| Languages & Back-End Frameworks | |
| Python General-purpose programming language used for web backends | 3.1M sites |
| other | |
| Risson | 72 sites |
| Uvicorn ASGI server for running asynchronous Python web applications | 785.6K sites |
A free account doubles your daily searches.
