As for using a fallback font that closely matches to minimize the impact of the switch over, how realistic is that?
It would a lot more realistic if browsers other than Firefox supported font-size-adjust, which allows the fallback font to mimic the metrics of your primary font.
It would a lot more realistic if browsers other than Firefox supported font-size-adjust, which allows the fallback font to mimic the metrics of your primary font.
Here's an article from 2010 that describes how it works: https://webdesignernotebook.com/css/the-little-known-font-si...