I want to be a website developer and designer.Can you help me out that what I need to learn for that ?

Answer 1

Web Designer Guide
https://www.awwwards.com/how-to-become-a-web-designer.html

Web Developer Guide
https://www.learnhowtobecome.org/computer-careers/web-development/

Answer 2

1: html tags and what they do.
2: Css for presentation.

it just a basic for Home Page.