Client does not load nor have a backup render for Browsers without WebGL enable/support

[carafelix]

Bug Report

Bug Description

The site fails to load completely if the used browser does not have WebGL enable. That does not follow WCAG. A rasterized version accessible WebGL of the Three.js components could be render, or load instead a placeholder.

Only display error for non-tech user would be:
Application error: a client-side exception has occurred (see the browser console for more information).

Console log:
THREE.WebGLRenderer: A WebGL context could not be created. Reason: WebGL is currently disabled.

an example of a rasterized site (not mine):

WebGL enable: