At the moment it IS pretty basic. However, this is just an Alpha which we built in 5 days as a proof-of-concept. Ultimately we aim to add much richer information that gives insights into how users are interacting with the content on the site, and whether individual pages (or even clusters of pages) are fulfilling their intended purpose. In fact, you can see some of our intended functionality over at our UserVoice page: http://redgate.uservoice.com/forums/129997-pagetrawler