Web application analytics is supported by various tools. Google Analytics is one of the most popular web analytics tools, and it can be used to track and analyze various data points such as page views, session duration, and conversion rates. Additionally, other tools like Mixpanel, Kissmetrics, Hotjar, and Crazy Egg can be utilized to understand user behavior and improve web applications. The choice of tools should be based on specific needs and goals, ensuring the necessary integrations are in place to collect accurate data.