Things to look out for: a person you like and who has enthusiasm and knowledge.
For example EEVBlog Youtube channel was a great way to get into electronics. It's very surface level, and you have to do the learning yourself, but the surface level of what you get is a broad overview which you can choose how to deepen and iterate on. Get that surface level from Youtube, so that you can understand the whole picture, then go through the parts yourself.
For just learning web efficiently, things like https://fullstackopen.com/en/ seem a lot better.