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Glossary · SEO

What are Core Web Vitals?

Core Web Vitals are a specific set of metrics Google uses to measure real-world user experience on a webpage covering how fast it loads, how quickly it becomes interactive, and how visually stable it is while loading.

The Three Core Web Vitals Metrics

  • LCP (Largest Contentful Paint) — how long the main content takes to load
  • INP (Interaction to Next Paint) — how quickly the page responds to clicks or taps
  • CLS (Cumulative Layout Shift) — how much elements visually jump around while loading

Why They Affect Rankings

Google confirmed Core Web Vitals as a ranking factor because they directly reflect real user experience a slow, jumpy page frustrates visitors regardless of how good the content is.

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