Real-User Metrics

Core Web Vitals Alerter

Run a simulated check below. In Phase 2, this will schedule a weekly serverless database script querying the Chrome UX Report database (CrUX) and alert your email if performance slips.

LCP (p75 Mobile)

INP (p75 Mobile)

CLS (p75 Mobile)

Console idle. Enter details above and click 'Run Test' to simulate metric crawling.