Performance & UX Gate

Core Web Vitals Checker

Measure your page's performance against Google's official Core Web Vitals benchmarks: LCP, INP, and CLS for optimal search visibility and user experience.

Analyzes 75th percentile Core Web Vitals thresholds based on Google CrUX guidelines.
Ready to Test Core Web Vitals

Enter any web page URL above to calculate Largest Contentful Paint, Interaction to Next Paint, and Cumulative Layout Shift scores.

Core Web Vitals Scorecard

Status: Complete
Understanding Google Core Web Vitals
LCP (Largest Contentful Paint)
Target: ≤ 2.5s

Measures perceived loading speed. Marks the point when the main content of a page has likely loaded.

INP (Interaction to Next Paint)
Target: ≤ 200ms

Measures user interactivity and responsiveness. Replaces legacy First Input Delay (FID).

CLS (Cumulative Layout Shift)
Target: ≤ 0.1

Measures visual stability. Ensures unexpected layout shifts do not disorient users while reading.

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Automate Continuous Core Web Vitals Monitoring

Track daily CWV regressions, get real-time Discord/Slack alerts, and auto-dispatch self-healing remediation.

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