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I've enabled gzip compression in IIS using the config settings specified in this answer.

When I request a text file using Firefox, I can see in Firebug that the response is gzipped:

Firebug gzip request/response headers

But when I request the same text file using IE9, the dev tools show it is not gzipped:

IE Dev tools gzip request headers IE Dev tools gzip response headers

Why is IIS not sending the txt file compressed? Am I missing some IIS setting? Is my browser misconfigured?

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gilly3
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    @ClaudioRedi - Thanks. Yes, fiddler does show that it is indeed compressed. That's obnoxious that IE dev tools don't show all of the response headers. Thanks for pointing me in the right direction. If you want to post your comment as an answer, I'll accept it. – gilly3 Jan 04 '12 at 03:17
  • You're welcome, glad to help! – Claudio Redi Jan 04 '12 at 03:24

1 Answers1

8

I'd compare both requests using Fiddler since IE dev tools doesn't seem to be showing all response headers

Claudio Redi
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