Core Web Vitals Optimization

Overview

Core Web Vitals are Google's page experience metrics: LCP (loading), INP (interactivity), and CLS (visual stability). Measured on real user data (CrUX). Pass thresholds: LCP < 2.5s, INP < 200ms, CLS < 0.1.

When to Use

Trigger conditions:

• Diagnosing why a site fails Core Web Vitals assessment
• Optimizing page load performance for SEO
• Reducing layout shift or improving interactivity

When NOT to use:

• When the issue is content relevance, not speed (use content SEO)
• When analyzing link authority (use PageRank / backlink analysis)

Algorithm