Google Analytics is a web analytics service offered by Google that allows website and app owners to track and measure the performance of their websites or apps. Google Analytics provides detailed reports and insights on a wide range of metrics, such as traffic, user behavior, and conversions, and allows users to analyze and understand their data in real-time. Google Analytics is a powerful tool for website and app owners, as it provides them with valuable information on the effectiveness and performance of their digital content, and can help them to improve and optimize their user experience. Google Analytics is free to use, and is integrated with other Google products and services, such as Google Ads and Google Search Console.