Tutorials
Absolute begginer's guide to Neocities
The fundamentals explained in a very visual and begginer friendly way.
sadgrl.online
By the same author of the first tutorial. Another well known and useful web to learn about coding and webmastery.
W3Schools
A code learning site with a lot of available programming languages and information.
CodePen
A platform to find interesting and useful codes for your site, see how they are made, and also share your own.