Browser Caching in ASP.NET application

Question

Any suggestions on how to do browser caching within a asp.net application. I\'ve found some different methods online but wasn\'t sure what would be the best. Specifically, I

Answer 1

You best bet to do this is to set an Expires header in IIS on the folders you want the content cached. This will tell most modern browsers and proxies to cache this static content. In IIS 6:

1. Right click on the folder (example CSS or JS) you want to be cached by the browser.
2. Click properties
3. Go to the HTTP Headers Tab
4. Check "Enabled content expiration"
5. Set some long period for expiration, like "Expires after 90 days"

Yahoo Developer's Blog talks about this technique.