fontawosme cdn 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 awesome cdn link
<link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/duotone.css" integrity="sha384-R3QzTxyukP03CMqKFe0ssp5wUvBPEyy9ZspCB+Y01fEjhMwcXixTyeot+S40+AjZ" crossorigin="anonymous"/>
<link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/fontawesome.css" integrity="sha384-eHoocPgXsiuZh+Yy6+7DsKAerLXyJmu2Hadh4QYyt+8v86geixVYwFqUvMU8X90l" crossorigin="anonymous"/>