The Firefox issue is a classic indicator that the site would work in Firefox with one additional step and the creators didn't bother checking. In this case: Fi

The Firefox issue is a classic indicator that the site would work in Firefox with one additional step and the creators didn't bother checking. In this case: Firefox expects CORS to load fonts from a different domain, e.g. CloudFront. https://coderwall.com/p/ub8zug https://coderwall.com/p/ub8zug The other classic is that Firefox expects fonts to be served with the correct mine-type.