Webtrends Analytics 9 Adminstration Guide, November 2012
Visitor History drives metrics that you can use to optimize campaigns and content areas and gain deeper insight into visitor behavior.
Visitor History allows you to track key visitor activity, such as their purchase information, responses to campaigns, interactions with search engines, and engagement with tracked content areas throughout a visitor's lifetime. Visitor History data enables you to report on visitor behavior across multiple visits for the following data points:
Collects visitor data for monitoring the performance of online marketing activities across multiple visits.
Collects visitor data for tracking the performance of the top content groups.
Collects data for tracking visitor segments specific to your business.
Collects visitor data for tracking the performance of key pages.
Collects data for tracking online sales performance.
Collects data for tracking the performance of paid and organic searches.
Collects data for tracking recency and frequency of your visitors' visits. This data is included in many preconfigured reports that are based on Visitor History data.