which is the best course to create webpage?

Answer 1

html
css
js / jquery
php
sql

i think these are the courses for we development.
i would recommend to start with html and css to geht the feeling for web and thann add functionality with php and js.

sql is important if you want to make something like an shop or a game where user data needs to be stored

Answer 2

html
css
JavaScript
jQuery
php
sql
and with html when you reach chapter html5 I would stop there and learn css and then javascript and if you completed js go back to html5 it will be a lot easier this way.