Check out a free preview of the full Responsive Typography course:
The "Progressive Enhancement" Lesson is part of the full, Responsive Typography course featured in this preview video. Here's what you'd learn in this lesson:
Jason walks through a code snippet that uses the Google Web Font loader. He shows that while there’s a subtle change in the look of the page when the font loads, the overall experience is much better to the user. The key to the Google Web Font loader is setting “async” equal to “true” to unblock the loading of the page.