Kevin Marks
What the fuck? “It is recommended to not use pitch black #000 as your body text color. Instead, use a very dark gray such as #333.” http://typographyhandbook.com/ Why do people perpetuate this bullshit?
Typography Handbook
You can think of this as a short book or a long article, but either way it’s a handy overview of typography on the web:
A concise, referential guide on best web typographic practices.
Mind you, I take issue with this assertion:
Establishing a vertical rhythm is simple.