Google Analytics is a web analytics service offered by Google that tracks and reports website traffic. It provides detailed statistics about website performance, user behavior, and traffic sources, helping website owners to analyze and understand their audience and improve their online marketing efforts. Google Analytics can track a wide range of data, including page views, unique visitors, bounce rate, conversion rates, and more. It is widely used by businesses, marketers, and website owners to make data-driven decisions and optimize their online presence.