在google中搜索一下css sprites这个名称，会查出很多信息，并且随着SEO越来越被人们重视，采用这种技术来进行图片优化的网站越来越多，国内几家大型门户网站无不仿效。今天我们大家就一起来看看。

If you've ever used Google's Page Speed or Yahoo's YSlow to optimize your website chances are you've seen a suggestion to "use CSS sprites." CSS sprites reduce HTTP requests by combining multiple ...