This script stops render blocking font loading:
Example fonts.
It is best to use a fallback font in your style sheet that is similar to the imported font so there is minimal FOUC (Flash of Unstyled Content).
Code:
<script src="https://ajax.googleapis.com/ajax/libs/webfont/1.6.26/webfont.js"></script>
Code:
<script> WebFont.load({ google: { families: ['Droid Sans', 'Droid Serif'] } }); </script>