Webtrends Analytics 9 Adminstration Guide, November 2012
As your experience with SmartView grows, you may find it necessary to modify some settings that affect the link data available.
Tagging your site with the SmartView query parameter if your site has multiple links on a page that go to the same URL.
Creating a URL Rebuilding definition that properly identifies pages so that SmartView shows accurate link data.
Adjusting analysis and report limits of any SmartView-compatible custom reports for optimal distribution of link data.