Are other WebGL demos also slow (e.g. check https://webglsamples.org/ https://webglsamples.org/)? How uptodate are your graphics drivers? In some rare cases Web

Are other WebGL demos also slow (e.g. check https://webglsamples.org/ https://webglsamples.org/)? How uptodate are your graphics drivers? In some rare cases WebGL is blacklisting old drivers if they have known vulnerabilities, and instead falls back to software rendering.