I would try to find the answer myself but time is against us.
I and my colleague are working on WebGL for the webpage. I'm making the 3D parts of this process and he takes care of the coding. Does somebody know if values like Metalness, roughness (no textures, just values like 0.7 and 0.5) are possible to export in glb, or does this need to be setup again directly in WebGL by my colleague?
If both options are possible, which one is better in terms of time and difficulty?