This document provides an introduction to using Google Analytics to analyze website traffic. It discusses how Google Analytics is free, easy to implement, and sufficient for most libraries. Basic considerations are that not all data will be captured and the focus should be on trends rather than absolute accuracy. Metrics like visitors, visits, page views, and bounce rate are explained. The document provides screenshots of the Google Analytics dashboard and different reports it can generate related to visitors, traffic, and content. It suggests questions to examine like where visitors are coming from and popular content. More advanced uses and funnels are also overviewed.