Lab tests (Lighthouse, CI benchmarks) tell you how your app performs on a test machine. Real User...
Lab tests (Lighthouse, CI benchmarks) tell you how your app performs on a test machine. Real User Monitoring tells you how your app performs for actual users on their devices, networks, and locations. RUM catches performance issues that lab tests never will — slow connections, memory pressure, ad blocker interference, and geographic variance. This guide covers the RUM implementation at tanstackship.com.
Lab vs Field Data
Aspect
Lab (Lighthouse)
Field (RUM)
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