How to export a Godot 4 game to run on the web on itch.io

On the Go Godot Jam 4 Discord I just saw some people having issues with how to get HTML5 exports from Godot 4 to work on itch.io, and since I just had to do this for my own game submission to the jam as well I decided to jot my steps down here (and on the Discord too) as it seems to be a bit of a pain for people.

Let's Learn Godot 4 by Making an RPG — Part 23: Testing, Debugging, & Exporting🤠, by Christine Coomans

Patrick's Notebook Random Things In Life That Amuse Me

Web exports don't work whatsoever (Godot 4) · Issue #74799 · godotengine/ godot · GitHub

Godot Tutorial: Exporting for macOS, by Aeris, The BKPT

Continuous Delivery pipeline for Godot and itch.io · David Saltares

Godot Engine, Please help. Why does my texture become black-white when export to godot from blender

Godot 4.1 Can't export project as HTML : r/godot

Dev snapshot: Godot 4.2 dev 4

importing to Godot - Support

Can't export to HTML (itch.io) with Godot 4 : r/godot