Hello wasdspace,
Thank you for the coment.
I'm sorry for that.
In fact I'm still don't understand why it do not load.
I'm trying to find a way to fix it.
I think I've found a way to fix the issue, it's explained in that link :
https://itch.io/t/912627/unity-webgl-game-wont-fully-load
However, I'm not allowed to upload a new build since the rating has already begun.