📂 Topic Hub • 1 Runbook

Typography Runbooks

Practical engineering runbooks, terminal benchmarks, and code fixes categorized under Typography.

Web & Core Web Vitals CLS Typography CSS Performance

7 min read

Eliminating Cumulative Layout Shift (CLS) Caused by Custom Web Fonts and FOIT/FOUT

Why swapping system fallbacks for custom web fonts shifts your entire page layout downwards, how font-display: swap can actually hurt your Core Web Vitals score, and how to achieve zero-CLS typography using modern font metric overrides.

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