Can anyone tell me some websites learning advanced after Sololearn. You may know that it teaches us fundamentals. Thanks!!!

Answer 1

For examples and pdf:
www.tutorialspoint.com

For fundamentals:
www.w3schools.com
www.freecodecamp.org

Answer 2

I think W3 Schools is a website that is second to none when it comes to learning web development online.

https://www.w3schools.com/

Answer 3

www.edx.org

Answer 4

freecodecamp. org