how to make a chatting website

Question

how can I create a unique website.???

Answer 1

by making a chat app with the help of html css, ajax, any sever side language like asp,php and a database like mysql, sql server or Oracle

Answer 2

so I must have knowledge in CSS and
ajax???

Answer 3

yeah that's the way you can have your chats coming in and going out dynamically without refreshing the page