Typography
Butterick's Practical Typography
https://practicaltypography.com/
A free typography handbook wrote by Los Angeles based lawyer Matthew Butterick. It offers practical takeaways and popular paid font alternative recommendation for beginners.
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.