Short story: Google Chrome installs something called Keystone on your computer, which nefariously hides itself from Activity Monitor and makes your whole computer slow even when Chrome isn’t running. Deleting Chrome and Keystone makes your computer way, way faster, all the time.
I’ve never been a huge fan of Chrome. Reading this was enough to convince me to uninstall it for good.
This website has been published by Loren Brichter, who authored Tweetie way back when. I trust the guy.