Is Unity WebGL deprecated?
In Unity 2022.1, the WebGL 1 graphics API is no longer included in the Auto Graphics API setting. If you need to add support for WebGL 1 to your project, open the Player Settings and under Player -> Other Settings, uncheck the Auto Graphics API option and explicitly add “WebGL 1 (Deprecated)” to the Graphics API list.
Is Unity good for WebGL?
Unity has always made great use of WebGL, and is using the emscripten compiler toolchain to cross-compile the Unity runtime code.