Typography Guides

Complete, research-based guides for designers and developers working with fonts and typography on the web. Every guide is verified against primary sources — the Unicode Standard, OpenType specification, W3C CSS Fonts Module, and WCAG 2.2.

Getting started

Getting Started with FontsWhat a font is, how it works, and how to choose one. Understanding Font FormatsTTF, OTF, WOFF, WOFF2 — what they are and when to use each. Font Licensing BasicsUnderstand font licenses before you deploy.

Design and typography

Choosing Fonts for WebsitesA practical selection framework. Font Pairing PrinciplesThe rules behind successful pairings. Responsive TypographyType that adapts to any viewport. CSS Typography FundamentalsEvery CSS font property, explained.

Performance and accessibility

Optimizing Web FontsReduce font payload and improve Core Web Vitals. Accessibility in TypographyWCAG 2.2 compliant font selection and layout. Variable Fonts ExplainedOne file, whole weight range — performance and design benefits. Font Loading Strategy GuidePreload, font-display, and fallbacks together.

Deep dives

TTF vs OTF vs WOFF vs WOFF2Complete format comparison with benchmarks. The Complete Guide to font-displayEvery strategy with Core Web Vitals impact. What is a Variable FontComplete guide to fvar, axes, and usage. Choosing Accessible Web FontsConcrete criteria and WCAG 2.2 checklist. Font Pairing PrinciplesContrast, harmony, and hierarchy. Web Font Implementation GuideEnd-to-end production checklist.