There are so many programming languages i get confused......

Question

I need to know, to be in demand what languages are must for web development.

Answer 1

Learn in this order.

HTML - CSS - Javascript - Mongo db or MySQL.
Later if you like you can learn PHP Python Ruby.

If you learn Javascript correctly you'll enjoy using it on the client side and on the server side (Nodejs) with Mongo db or MySQL.
You can build any web based application also functional mobile application.
The sky is your limit with those.

Answer 2

HTML is used to create the page
CSS is used for formating the page
Javascript is used for making the page interactive and dynamic
PHP is used in the server

Answer 3

SQL for Databases.
SoloLearn already teach full stack stuff :-D

Answer 4

html css and javascript for client side of programing, php and mysql for server side programing

Answer 5

learn html try some small webapps
learn css then javasctipt