Technical Definition
Web Vitals is Google's initiative defining quality signals for user experience. Core Web Vitals (LCP, INP, CLS) are the primary metrics. Additional metrics: FCP, TTFB, TBT. Measured through Chrome User Experience Report (CrUX), PageSpeed Insights, and web-vitals JavaScript library. Foundation of page experience ranking signals.
Simple Explanation (ELI13)
Web Vitals is Google's program for defining and measuring website quality. Core Web Vitals are the main three metrics (LCP, INP, CLS), but there are additional metrics too. Google provides tools to measure these and uses them as ranking signals. The goal is making the web faster and more user-friendly.
Related Terms
Core Web Vitals, Performance, Google, UX Metrics
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