Optical sizing refers to the practice of type foundries creating slightly different versions of a typeface intended to be used at different sizes.
CV-10 - Typography GIS&T Body of Knowledge
Fonts Knowledge - Google Fonts
What is optical sizing and how can it help your brand?
Font Combinations: Trends, Best Practices, and Life Hacks - Crocoblock
Understanding typography - Material Design
Elliot Jay Stocks Google Fonts Knowledge
Pairing Fonts Lesson
Optical sizing
Just Another Foundry – Size-specific adjustments to type designs
I love Typography (ILT)
Citing Accessibility, State Department Ditches Times New Roman for Calibri - The New York Times
20 Best Fonts For Your Website
How to Choose the Right Typeface for Your Website - ETR
How To Choose The Perfect Font Combination For Your Design?
