Remove extra http header for speed up .net website performance

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When an HTTP request is made to a IIS, HTTP headers are transferred from the Browser to the webserver and vice-versa. The HTTP Headers sent by IIS to the browser gives following information.

In the above image, following two header not required. By removing it we can save small amount of bandwidth usage of .net application and potentially improving site secutiry.

1) x-powered-by

2) x-aspnet-version

We can remove above two header using a site specific web.congfig file

1) Remove aspnet-version

 <system.web>
    <httpRuntime enableVersionHeader="false"/>
  </system.web>

2) Remove x-powered-by

<system.webServer>

    <httpProtocol>
      <customHeaders>
        <remove name="X-Powered-By"/>
      </customHeaders>
    </httpProtocol>
       </system.webServer>