If you're a newcomer to web development, don't be intimidated by this stuff. Much of it is unnecessary at any reasonable scale. The best piece of advice is to

If you're a newcomer to web development, don't be intimidated by this stuff. Much of it is unnecessary at any reasonable scale. The best piece of advice is to have a small project you're genuinely interested in, and don't ever be embarrassed because what you make is too simple or too plain-looking. Your brain can only handle a fixed amount of complexity, so fight it at every step, especially when you're just starting out.