Definition
A set of Google metrics measuring real-world user experience: loading performance (LCP), interactivity (INP), and visual stability (CLS).
In Depth
Core Web Vitals include Largest Contentful Paint (LCP, should be under 2.5s), Interaction to Next Paint (INP, should be under 200ms), and Cumulative Layout Shift (CLS, should be under 0.1). They are a confirmed Google ranking factor measured from real Chrome user data.
Example Usage
Optimizing LCP by lazy-loading below-fold images and preloading the hero section, reducing load time from 4.2s to 1.8s.
Business Context
Core Web Vitals directly affect both rankings and conversion rates. A 1-second delay in page load can reduce conversions by 7%.
Related Terms
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Conversion Rate Optimization
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