I had some issues getting controls to take when I loaded the page (used ctrl+R to try to reload but it lets the MKB take over then without having to reload anyways).
Viewing post in Cauldron Quest jam comments
That is our bad we were in a rush to get a web export working, turns out you need to read the Godot docs for exporting for web which tell you need to manually handle mouse locking. But now not only do we know how to do it but we also did it!