Core Web Vitals Checker
Analyze your page performance with Google's official PageSpeed Insights data.
Google Certified Metrics
Mobile & Desktop
Contacting Lighthouse... (This takes 10-20 seconds)
Results Breakdown
ANALYSIS--
LCP (Load)
Largest Contentful Paint
--
INP (Interact)
Interaction to Next Paint
--
CLS (Stability)
Cumulative Layout Shift
Optimization Opportunities
| Opportunity | Est. Savings |
|---|---|
| Run analysis to see data | |
About Core Web Vitals
Core Web Vitals are a set of specific factors that Google considers important in a webpage's overall user experience. They are made up of three specific page speed and user interaction measurements: largest contentful paint, first input delay (now INP), and cumulative layout shift.