Google Analytics not only tracks Adwords campaigns, but it also tracks 3rd party advertiser campaigns. This means that can track your Adwords,Yahoo, MSN, email and any other online campaign with Google Analytics. The best part of Google Analytics is that it’s free. Before you rule out Analytics, be sure to give it a fair try. Analytics provides an extensive number of different reports. Every thing from geographic segmentation, to browser type is tracked. One of my favorite features is the ability to map tracking variables. This simply means that if you already have your paid advertising links with unique tracking codes, that you can port this over to Analytics. For Example, it’s say that one of your tracking links is www.domain.com/productpage.asp?engine=adwords&keyword=cookies.
As you can determine from this tracking URL the traffic is coming from adwords. You can also determine that the traffic is originating from a search for “cookies