<httpCompression directory="%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files">
<scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll" dynamicCompressionLevel="9"/>
<dynamicTypes>
APPCMD.EXE set config –section:httpCompression /dynamicCompressionDisableCpuUsage:75
APPCMD.EXE set config –section:httpCompression /dynamicCompressionEnableCpuUsage:20
APPCMD.EXE set config –section:urlCompression /dynamicCompressionBeforeCache:true
XML rendered in blog with help of http://centricle.com/tools/html-entities/