Get suggestions to speed up your site
Page Speed Online analyzes the content of a web page, then generates suggestions to make that page faster. Reducing page load times can reduce bounce rates and increase conversion rates.
Why faster is better
At Google, we've found that faster sites make for a better user experience. Here are some resources on the benefits of faster sites:
see also: http://gmailblog.blogspot.com/2011/04/introducing-gmail-motion.html