This is a placeholder for my notes on using Lighthouse to optimize performance of WordPress sites.
Tooling
Lighthouse is a tool provided by Google to help site owners measure and improve performance. Here is a link to the documentation:
https://developers.google.com/web/tools/lighthouse/
The code and documentation is open source and is available on github:
https://github.com/GoogleChrome/lighthouse
Lighthouse CLI
There is also an npm package available. I have installed this and am currently using the CLI as the preferred method of implementation:
https://github.com/GoogleChrome/lighthouse#using-the-node-cli
Performance Score Variations among online providers of Lighthouse
This blog post from GTMetrix provides an excellent overview of the differences in the performance scores from various services that use Lighthouse under the hood:
Throttling
This site allows you to calibrate the speed of your CPU for throttling: