When using Webfonts via @font-face or another CSS3 methods, some browsers (Firefox and Internet Explorer) will refuse to embed the font when it’s coming from a 3rd party URL because it’s a security risk.
The solution is very simple, all you have to do is to login into your StackPath Control Panel and follow these steps :
- Navigate to Settings tab under your Site > CDN
- Scroll down to the Edge Settings section
- Enable this option as shown on following image and click on Update button: