Google Analytics is a free tool from Google that allows users to track and analyze website traffic patterns. It provides information on metrics like visits, page views, bounce rate, time on site and traffic sources. This allows users to optimize their websites and track conversions goals. The document outlines how to set up an Analytics account, explore the main dashboard and interface features, export reports and set up goal tracking. It also briefly introduces Google Webmaster Tools, which allows users to view search queries and optimize their site for search engines.