Web Performance1 min read
A Practical Next.js Performance Checklist for Marketing & Product Sites
By Priyatham Rama Sai
Font loading, image priority, layout stability, and server boundaries — a single pass that lifted field LCP for several client launches without rewriting routes. Lab scores matter less than what your slowest users experience.
Core Web Vitals first
Prioritize LCP with explicit image dimensions and fetch priority on heroes. Reduce CLS by reserving space for embeds and ads. Improve INP by trimming long tasks on hydration for interactive widgets.
Shipping discipline
Measure in the field; lab passes are useful for regression but RUM reveals device and network reality. Pair budgets with bundle analysis so performance stays a release gate, not a one-off audit.