
Typography
Web Typography 101
https://medium.com/@andreacrofts/web-typography-101-302af8a65be7
Andréa Crofts wrote a starter guide for Web Typography. All beginners should check it out.
Explore related resources

Utopia
Utopia is a calculator that help you to tokenize spacing values to be used with their fluid type calculator.

Roboto Serif
New serif typeface under Google's Roboto font family. It also includes a special variable font option to optimize display base on optical size axes.

Typewolf
Typewolf is an indie typography resources blog curated by Jeremiah Shoaf. It recommends fonts and explores trending typography site on daily basis.