technical
Intermediate
Core Web Vitals
/kɔːr wɛb ˈvaɪtəlz/
A set of specific factors that Google considers important in a webpage's overall user experience.
Detailed Explanation
Core Web Vitals are part of Google's page experience signals and include three key metrics: Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS). These metrics measure loading performance, interactivity, and visual stability.
Examples
A page with fast loading images has good LCP
A responsive form that reacts immediately has good FID
Content that doesn't shift when loading has good CLS
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