Grade F on Add Expires headers

Question

I used the YSlow Firefox add-on and it return the follow result:

Grade F on Add Expires headers

There are 8 static components without a far-future expiration date.

* (no expires) http://localhost:63808/WebSite/css/Global.css?...
* (no expires) http://localhost:63808/WebSite/css/BemVindo.css?...
* (no expires) http://localhost:63808/WebSite/js/Global.js?...
* (no expires) http://localhost:63808/WebSite/js/BemVindo.js?...
* (no expires) http://www.maplist.com.br/img/faixa_verde.png
* (no expires) http://www.maplist.com.br/img/logo_home.png
* (no expires) http://www.maplist.com.br/img/wait_bar.gif
* (2010/1/23) http://localhost:63808/WebSite/favicon.ico

I resolve the problem using a HttpHandler component:

www.codeproject.com/KB/aspnet/CssAndJavaScriptOptimizer.aspx

Is there a easier way to resolve the problem? Maybe in global.asax?

By the way, I'm using this metas in my page:

<META HTTP-EQUIV="CACHE-CONTROL" CONTENT="PUBLIC"> 
<META HTTP-EQUIV="EXPIRES" CONTENT="Mon, 22 Jul 2010 11:12:01 GMT">

Solution 1

You have to change the Expires: header of these pages to make them expire in the far future, allowing user browsers to cache them.

You can use mod_expires in apache, or this technique. Here is an article explaining how to do it with IIS.

Solution 2

Set it in HTTP header is the most simple solution But, in my case I turn off PHP/server scripting engine running on pure nginx server and content is push through ftp (from backend-engine)