Lighthouse analyzes web apps and web pages, collecting modern performance metrics and insights on developer best practices.
Using Lighthouse in Chrome DevTools
Lighthouse is integrated directly into the Chrome Developer Tools, under the "Audits" panel.
Run it: open Chrome DevTools, select the Audits panel, and hit "Perform an Audit...".
Using the Chrome extensionUsing the Node CLI
Lighthouse requires Node 6 or later.
By default, Lighthouse writes the report to an HTML file. You can control the output format by passing flags.
... read the whole story at github.com.
$ lighthouse --help lighthouse