One of the nice things about Google Analytics is how easy it is to see ROI for each of the keywords you buy on AdWords. But what do those ROI numbers in your reports really mean?ROI is (Revenue - Cost)/Cost , expressed as a percentage.Revenue is taken from either the value you set as your goal value(s), or from e-commerce revenue values if you have set up e-commerce tracking.Cost is currently only derived from your AdWords CPC (cost-per-click) values imported from your AdWords account when you link your Analytics and AdWords accounts with auto-tagging turned on.configured e-commerce defined values for your goals and therefore Google Analytics isn't registering any revenue.)what's a visit worth? .Posted by Alden DeSoto, Google Analytics Team
