When we first started using Ajax we noticed some difficulty getting the resources to work with our HTTP compression filter. Now I have a better understanding of what issues are luring thanks to Carloc Ajax resource intermittently not accessible (http compression)
This means that Ajax does support compression for Internet Explorer 7 but it does not support compression for Internet Explorer 6. Why?
Well, the fact is that IE6 has some serious troubles with compressed content, and those issues have been resolved in IE7:
Another release containing several fixes is in the latest Windows Script 5.7 which contains updates for jscript parser:
I never realized IE6 had so many compression issues.