fontawesome 4 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 4.7 cdn

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha256-eZrrJcwDc/3uDhsdt61sL2oOBY362qM3lon1gyExkL0=" crossorigin="anonymous" />

Example 3: font awesome 4 cdn

<!-- Fontawesome 4 Cdn from BootstrapCDN -->

<link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">

Example 4: bootstrap font asesome cdn

The correct one -> Give an upvote if it helps

<link
      rel="stylesheet"
      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0/css/all.min.css"
    />

Example 5: fontawesome cdn

gem 'font-awesome-sass'