IIS 7 web.config with performance tweaks for caching and compression optimisations.

webconfig.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
	    <httpCompression directory="%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files" minFileSizeForComp="1024">
    <scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll"/>
    <dynamicTypes>
      <add mimeType="text/*" enabled="true"/>
      <add mimeType="message/*" enabled="true"/>
      <add mimeType="application/javascript" enabled="true"/>
      <add mimeType="*/*" enabled="false"/>
    </dynamicTypes>
    <staticTypes>
      <add mimeType="text/*" enabled="true"/>
      <add mimeType="message/*" enabled="true"/>
      <add mimeType="application/javascript" enabled="true"/>
      <add mimeType="*/*" enabled="false"/>
    </staticTypes>
  </httpCompression>
          <urlCompression doStaticCompression="true" doDynamicCompression="true" />
            <httpProtocol>
        <customHeaders>
            <add name="X-UA-Compatible" value="IE=Edge" />
            <remove name="Vary"></remove>
            <add name="Vary" value="Accept-Encoding"></add>
        </customHeaders>
    </httpProtocol>
    </system.webServer>
</configuration>