WebGL (Web Graphics Library) is a JavaScript API that allows users to draw 2D or 3D objects. WebGL contains codes similar to C or C++ that can be executed in GPU, so the rendering speed is fast.
One of the benefit of WebGL is that it can run on modern browsers. However, the bootstrap codes for WebGL is long.
If you are interested in WebGL, this is a good tutorial content that can help you get started. MDN Web Docs: WebGL Tutorial