As libraries deliver an increasing proportion of their services through the web, the need to accurately and comprehensively track the use of library websites, online resources, and services is more important than ever. This issue of Library Technology Reports offers an explanation of web analytics and how these tools can be applied in a library setting. The author provides a comprehensive overview of web analytics that defines the different types of data that can be tracked and their application.The report presents a detailed guide to implementing Google Analytics, one of the most popular web analytics tools, and offers case studies detailing how web analytics have been applied in a variety of library settings.