how to add font awesome cdn in html code example

Example 1: fontawesome cdn

<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css" rel="stylesheet">

Example 2: font awsome cdn

<link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css" integrity="sha384-AYmEC3Yw5cVb3ZcuHtOA93w35dYTsvhLPVnYs9eStHfGJvOvKxVfELGroGkvsg+p" crossorigin="anonymous"/>

Example 3: font-awsome cdn

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css">

Example 4: fontawesome cdn

<link rel="stylesheet" href="path/to/font-awesome/css/font-awesome.min.css">

Example 5: fontawesome cdn

gem 'font-awesome-sass'