Chrome includes a powerful tool to test how well your site performs and meets progressive web application criteria. This tool is called Lighthouse. The tool is integrated into the developer tools Audit tab and is available as a node module and command-line utility:
I will focus on using Lighthouse in the developer tool here and follow up with command line usage in the following chapter.
To perform an audit, press the Perform an audit... button, as seen in the preceding screenshot. You will then see a dialog that gives you high level configuration options.
There are five areas Lighthouse ...
