Below are 5 web development links for someone just starting out that I have found useful.
Some good general info here aimed at the absolute beginner.
One of the best established websites. Lots of examples. An excellent reference website.
Good all round tutorials here on a variety of web developer related subjects
Very well established website offering interactive tutorials in many different programming languages, most of which are useful to website developing
There are a quite a few web developer courses at Udemy but this one by Rob Percival is one of the most popular. It covers a lot of ground and is easy to follow.