Core Web Vitals Checker
Read available LCP, CLS and INP field metrics from PageSpeed Insights alongside laboratory data. A TBT measurement is not substituted for INP. Provider quota errors are shown explicitly.
Service status: Google PageSpeed Insights
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Result overview
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Raw data
The server requests the public URL you provide. Provider tools send the requested URL or question to the named data service. Do not submit secrets.
Method & interpretation
Read available LCP, CLS and INP field metrics from PageSpeed Insights alongside laboratory data. A TBT measurement is not substituted for INP. Provider quota errors are shown explicitly.
Read the method, limits and verification steps below before changing a production site.