Hey so I know it's tough figuring out how to effectively release your game on Itch.IO, and to my understanding, WEBGLs get the most attention, so I posted this link for everyone to check out. It was from an old friend back when I was in another jam, and to my knowledge, it's perfect duo to its simplicity!

Unity WebGL (GUIDE) - DAY 5 - Pass the GAME Challenge 2023 community - itch.io