IIS 5 & IIS 6
IIS 6.0 Caching Issues
Last post Dec 23, 2008 05:45 AM by Leo Tang - MSFT
Dec 17, 2008 06:22 PM|vm79|LINK
I thought browser will at least request CSS file every time and will get HTTP 304 response IF file is not modified and will use cached copy ELSE will get 200 response and will get a new copy.
I will appreciate anyone shed some light on this.
Dec 23, 2008 05:45 AM|Leo Tang - MSFT|LINK
Since you enabled content expiration for 1 month, the browser will never send requests for the cached files during this period. If you want IE to send request every time, I’d suggest you disable the content expiration feature and clear IE Internet temporary
files to test again.