font awesome cdn or local 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: fontawesome cdn

v5.6.3
<link href="https://use.fontawesome.com/releases/v5.6.3/css/all.css" rel="stylesheet" integrity="sha384-UHRtZLI+pbxtHCWp1t77Bi1L4ZtiqrqD80Kn4Z8NTSRyMA2Fd33n5dQ8lWUE00s/" crossorigin="anonymous">