gzip compression not getting enable

Question

I have a code for enabling gzip compression but when i place code given below in my config file its not compressing when i test my site in google page speed test it still showing that compression not enable

 wats the problem suggest my frirends

Code is  IIS version 7.5  Godaddy dedicated server

<system.webServer>

<httpCompression directory="%SystemDrive%\inetpub\

temp\IIS Temporary Compressed Files">

<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"/>

</system.webServer>