+1. It's amazing what you can do with Vega(Lite) and/or Altair in little time. But once you want to build something that performs on the web you really need to

+1. It's amazing what you can do with Vega(Lite) and/or Altair in little time. But once you want to build something that performs on the web you really need to rewrite things using another library, like D3.