I feel that most of us (certainly me) are still coming to grips with the application of variable fonts when we build sites. To me this means it’s up to us to become more familiar with how they work and the design potentials that they open up, and then showcase that to designers so that they can have it in their toolbox when designing interfaces. I also think that until variable fonts are a part of our design tools it will be a struggle.
Variable fonts create new possibilities for transforming typography. From practical use cases like improving readability to more creative uses like these illustrative fonts by Typearture. If you want to do your own explorations, some great places to find variable fonts are Axis-Praxis and V-fonts.An excerpt from Get More For Less With Variable Fonts