Uses Google's lighthouse (https://github.com/GoogleChrome/lighthouse) to build a set of reports from the URL list you pass into the configuration file.
It's a Node.JS script, so you need Node / NPM installed on your machine.
After cloning the repo, run
npm install
to install the dependencies.
Once you've set it up, you can run the audit tool with
node index.js
The process will be logged into the console.