Google analytics has made it extremely to track and calculate marketing efficiency using the campaign tracking tool.

Google provides an Tool to generate the tracking url below

http://www.google.com/support/analytics/bin/answer.py?hl=en&answer=55578

I have generated a url

http://www.mywebexperience.com/?utm_source=gmail1account&utm_medium=email&utm_campaign=massmailingdecember

This url says that the source is gmail and medium of marketing is email and campaign name is massmailingdecember.

Once this url is make it can be masked using the standard html options to look like a simple link like this mywebexperience.com

This campaign can be tracked in Google analytics using the segment option available

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