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Nerve Centre KPIs · Audit Profile · Sentiment Settings Will audit Core Web Vitals (LCP, INP, CLS) per page using PageSpeed Insights API and CrUX.

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What this audit checks

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Core Web Vitals

  • LCP < 2.5s
  • INP < 200ms
  • CLS < 0.1

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Lab vs field

  • Lab Lighthouse score
  • Field CrUX 75th percentile alignment

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Performance issues

  • Render-blocking resources
  • Unused JavaScript
  • Image format opportunities

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Data sources

  • GET https://www.googleapis.com/pagespeedonline/v5/runPagespeed - Lab metrics + lighthouse audits
  • GET https://chromeuxreport.googleapis.com/v1/records:queryRecord - CrUX field data