Core Web Vitals Explained

1 min read

Core Web Vitals measure real user experience — how fast a page loads, how quickly it becomes interactive, and how much it visually shifts while loading.

Core Web Vitals infographic — Core Web Vitals Explained
Core Web Vitals Explained — visual overview by Plain Intelligence.

The three metrics

  • Largest Contentful Paint — how long until the main content is visible
  • Interaction to Next Paint — how responsive the page feels to clicks and taps
  • Cumulative Layout Shift — how much the layout jumps around while loading

Common fixes

Most Core Web Vitals problems trace back to unoptimized images, render-blocking scripts, and fonts loading late. See the full checklist in technical SEO. More in SEO Fundamentals.

Related Reading

Related in SEO Fundamentals:

Supporting reading from related clusters:

Cornerstone guide: SEO Audit