You do not need to download anything if you use Chrome. Simply open a website, press F12 (or Cmd+Opt+I on Mac), and click the tab. Command Line (Node.js) :
Once installed, click the Lighthouse icon in your browser to run a report on any website. : how to download lighthouse app
If you are a power user, install it via npm by running npm install -g lighthouse in your terminal. 2. Lighthouse.io by WorkWave (for Workforce Management) You do not need to download anything if you use Chrome