Font Awesome icons not working in OSX Safari

Question

My font-awesome icons are working fine in Firefox and Chrome, but in Safari I just see blank space for some of them but not others. Screenshot:

Answer 1

It seems Safari blocks unsigned fonts. Using CDN with integrity resolves the issue:

For font awesome I used below link which I found at: https://fontawesome.com/how-to-use/on-the-web/setup/getting-started?using=web-fonts-with-css