Unity webgl controls not working

1. How do I enable Unity WebGL?
2. Is Unity WebGL deprecated?
3. Why is my Unity WebGL not loading?
4. Can Unity WebGL run on mobile?

How do I enable Unity WebGL?

Go to about:config in your address bar. Search for webgl. force-enabled and make sure this preference is set to true.

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.

Why is my Unity WebGL not loading?

WebGL does require some web knowledge to get it ticking. First, disable the compression in the playersettings. Enabling compression requires your webserver to serve your content correctly, since you do not have a webserver running, it doesn't even serve it. Second: Try to do a build and run (Ctrl + B).

Can Unity WebGL run on mobile?

yes, Build and Run works.