How To: Build better, faster web apps with CSS sprites

Have you ever noticed how images on some websites flicker when you hover over them? It’s like the image disappears for a split second before the hover image is displayed. That happens because the hover state of the image isn’t loaded into the browser cache until you hover over it.

You can fix this problem when you use CSS sprites in place of the typical methods for creating rollover buttons. We’ve written up a brief tutorial on CSS sprites which can be found in our forums.