Anybody have any expererience with enabling HTTP compression using GZIP on Windows IIS 5? We enabled it on our server but when I run a web page speed report at websiteoptimization.com it says we are not using HTTP compression. 99% of our pages are dynamic .aspx pages and I noticed when I run a speed report on a plain html file ti does show that we are using HTTP compression.
Is there some kind of setting we are missing for dynamic pages or something?