Read ContentEncoding to determine what encoding mechanisms, if any, have been applied to the Content of the HTTP request. The encoding mechanisms are listed in the order in which the Web client applied them, separated by commas. Typically, ContentEncoding indicates a compression method or an encoding scheme used to transfer extended ASCII characters over the net. 

Reverse the ContentEncoding mechanisms to decode the Content into the form indicated by the ContentType property. 

Content 

ContentType 

Properties That Describe the Content