Legends of Learning has deprecated the audio interfaces we provided in the past.
- We suggest script tags after visible content and CSS, to make user-visible aspects load first
For Unity games, it is also acceptable to handle audio within Unity's audio system. Keep in mind that audio in WebGL is handled differently and is more limited than other Unity platforms. For more information see https://docs.unity3d.com/2019.1/Documentation/Manual/webgl-audio.html.