I am looking at ways of speeding up my Magento site. One way that comes up is to Leverage Browser Caching and Expires Headers. I found to add this to htaccess-
My question is what about when I make changes? Most of my changes go to custom.css and I think I can set that individually. When I make a change to custom.css is there a way I can force people who have cached it to get the new one?