FontAwesome icons not showing. Why?

Question

Recently I\'ve been developing this website and I\'m trying to put a font awesome icons in it, so it\'s scalable.

The thing is they are not showing up.

Look

Answer 1

I got the similar problem, Shows icons in square, tried as per the instructions specified here : https://fontawesome.com/how-to-use/on-the-web/setup/hosting-font-awesome-yourself

Resolved by using this reference in head section of html page