When I am testing the site using gtmetrix.com in YSLOW, it shows this message. I don't know how to add expire headers.
There are 2 static components without a far-future expiration date.
http://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic,700,700italic,800,800italic http://fonts.googleapis.com/css?family=Raleway:100,200,300,400,500,600,700,800,900
How can it be solved?