Hello Digitalpoint, I would like to introduce Conversionstats.com, The conversion tracking system that will finally let you track all your seo links that you promote on others websites. Those webmasters who carry on a wide range of advertising campaigns on the Web know that sometimes tracking strings can be quite unfriendly to search engines. In case you use a visitor tracking system, especially if it lacks marketing features, you are likely to face this problem sooner or later.
Or, you could use Google Analytics for free, export the data and use Google API to do the exact same thing with Google Maps.... for free.
Does Google allows you to track multiple Websites, also google does not offer seo link campaign tracking.