In Bound Links
The book, Understanding User - Web Interactions Via Web Analytics, provides some information on KPI statistics, but this is an area that is really exploding as tracking and analysis gets better and better.
Link Building Has Changed – An important, little understood, and difficult aspect of Web Analytics, as it relates to search engine optimization, is understanding the effect of link building. Here is a good, short article that covers the history and techniques of link building, Link Building Has Changed.
Inbound Links: One aspect of Web Analytics to implement techniques to get more views for ones pages. Here is a nice article of survey results concerning how to get reputable in-bound links, 21 Link Builders Share Advanced Link Building Queries.