Pairing Fonts That Work Together

Contrast in style, harmony in proportion: a simple method for choosing two fonts.
Line Length and Readability

Lines that run too long tire the eye. Here is how to keep paragraphs comfortable.
Self-Hosting Web Fonts

Why serving fonts from your own site can speed things up, and how to set it up.
Building a Type Scale

Pick a base size and a ratio, and every heading size follows naturally.