Remove WWW

<rule name="Remove www" stopProcessing="true">
  <match url="(.*)" ignoreCase="true"></match>
  <conditions logicalGrouping="MatchAll">
    <add input="{HTTP_HOST}" pattern="^www\.(.+)$"></add>
  </conditions>
  <action type="Redirect" url="http://{C:1}/{R:0}" appendQueryString="true" redirectType="Permanent"></action>
</rule>