How Can I be an expert Web developer?

Answer 1

learn from w3school website

Answer 2

Learn HTML + CSS, PHP and JavaScript. Code a lot. You'll be better and better.

Answer 3

html+css+js

Answer 4

HTML5+CSS3+Javascript and a server side scripting language like PHP.

Answer 5

practice, practice and practice more and make web projects at home so you learn more and more