Fontawesome icons ain't working from the official site's link.. what should i do?

Question

<link rel="stylesheet"
href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@5.15.3/css/fontawesome.min.css"
integrity="sha384-wESLQ85D6gbsF459vf1CiZ2+rr+CsxRY0RpiF1tLlQpDnAgg6rwdsUF1+Ics2bni" crossorigin="anonymous">

Currently I'm using following these two links someone in the community suggested.

<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
<link rel="stylesheet" href="http://fortawesome.github.io/Font-Awesome/assets/font-awesome/css/font-awesome.css">

Answer 1

Import fonts link from google font or w3school may be your link are not working