Just My Type justmytype.co
Font Face Observer — fast and simple web font loading fontfaceobserver.com
10 Fresh Google Fonts Pairings That Work Perfectly Together blog.prototypr.io
Google Web Fonts Typographic Project femmebot.github.io
How to classify fonts for the web | Typography | Creative Bloq www.creativebloq.com
Taking A Second Look At Free Fonts | Smashing Magazine www.smashingmagazine.com