Products Web Progressive Web Apps Training Lighthouse PWA Analysis Tool Lighthouse is an open-source analysis tool that provides insights and feedback for Progressive Web Apps. This video provides a brief explanation of how to use lighthouse both as a Chrome extension and from the command line. Watch video on YouTube View slides on Google Docs Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated May 2, 2017.