The website is the old version of James Porter's Projects and Writings. You can find the new version here.
Honestly if your goals is to accurately communicate information 3D data visualisation isn't always the best choice. But it is fun and engaging.
I've been working on a little library for Isometric Data Visualisation for the web (with React).
As a bonus I got to use React Hooks for real for the first time.
The Isometric calculations leverage my isometric-map npm module