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Performance optimization recommended

Core Web Vitals Optimization

Optimizing LCP, INP, and CLS for better user experience and SEO. Measurement tools, common issues, and actionable fixes.

Difficulty
intermediate
Read time
1 min read
Version
v1.0.0
Confidence
established
Last updated

Quick Reference

Core Web Vitals: LCP < 2.5s (optimize images, preload hero), INP < 200ms (reduce JS, use web workers), CLS < 0.1 (set image dimensions, reserve space). Use next/image for auto-optimization. Measure with Lighthouse, PageSpeed Insights, or web-vitals library. Prioritize above-the-fold content.

Use When

  • Optimizing page load performance
  • Improving SEO rankings
  • Diagnosing slow pages
  • Fixing layout shift issues

Skip When

  • Internal tools without SEO needs
  • Server-side only applications

Core Web Vitals Optimization

Optimizing LCP, INP, and CLS for better user experience and SEO. Measurement tools, common issues, and actionable fixes.

Tags

performance core-web-vitals lcp inp cls seo

Discussion