Core Web Vitals
Analyze real-user performance metrics from the Chrome UX Report — the field data Google uses for page experience.
Account required. Core Web Vitals uses your organization’s monthly quota (5 analyses on Free). Sign in and run checks from Dashboard → Tools. Sign in
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Check your page performance
Enter a URL above to analyze Core Web Vitals — real-user metrics from the Chrome UX Report (28-day field data).
What these metrics mean
Shown before you run an analysis so you know what the report will cover.
LCP (Largest Contentful Paint)
Loading performance. Aim for ≤2.5 seconds.
INP (Interaction to Next Paint)
Interactivity. Aim for ≤200 milliseconds (replaces FID).
CLS (Cumulative Layout Shift)
Visual stability. Aim for ≤0.1 score.