Compressing a web service response for jQuery

Question

I\'m attempting to gzip a JSON response from an ASMX web service to be consumed on the client-side by jQuery.

My web.config already has httpCompression set like so:

Answer 1

Eric P's answer is mostly correct... you need to EXACTLY match the Content-Type header sent by IIS in its HTTP Response Headers. For some reason our IIS7 server was responding with: Content-Type: application/json; q=0.5

I had never ever observed a quality factor in a server response before. How bizarre.

When we added this to the dynamicTypes in the .config file everything started working:

  
       ...
       
       
       
       
       ...