Which programming languages ​​are fundamentals for web development?

Answer 1

In addition to mandatory Html/Css not programming languages, on server side you can use mostly whatever language you prefer, while on user/client side you Javascript is the only solution for code embeded/linked in Html document and ran on user computer ;)

Answer 2

Thanks, Ajay González!

Answer 3

Thanks, visph!

Answer 4

If you're going to be developing in the web then it's almost necessary to know HTML/CSS. PHP will also help with your server-side code.