Posted July 31st, 2013.
There are quite few methods to do this. You can set the Expire Headers directly from IIS, you can write a custom HttpHandler or if you don’t want custom functionality you can set them from Web.config file. Below you have an example of how you can set the expiration date from Web.config: <system.webServer> <staticContent>...
Posted June 7th, 2012.
If you use YSlow plugin as an assistant to help you improve your website performance, you probably saw that by default you get an F grade on “Add Expires headers” section. What exactly are Expires Headers? Below is an explanation from Yahoo Developer website: Browsers (and proxies) use a cache to reduce the number and size of HTTP...