Hacker News Reader

How can I learn to do this? That's amazing!

I wish I could use these kinds of visualizations on my programming language benchmarks analysis posts :D.

You'll probably want to look into D3. This is a pretty good course: https://www.newline.co/fullstack-d3

(Knowing JavaScript and HTML/SVG beforehand certainly won't hurt.)

I'm right there with you, I'd love to know how to do these.