Social Media Metrics Plugin For Google Analytics is a Greasemonkey script that adds Digg, Sphinn, Mixx, Reddit, StumbleUpon, Del.icio.us to your Google Analytics reports.
To add the script, you must first install Greasemonkey [Firefox] and then install the Social Media Plugin. That’s all there is to it.
As you can see in the screenshot below, when you check the views on a link, you should have displayed the services i mentioned above.