For a Category Manager of an online shop with hundreds or thousands of products, it can get difficult to find those products that are performing poorly AND are worth optimizing.
You cannot simply work on all products that did not sell well last week, there are just too many. Focusing on only those products with high margins is not going to help much either.
Here are some helpful performance metrics you can create in Adobe Analytics (formerly SiteCatalyst) – and partially also in Google Analytics.