Browser & Web Performance · Senior · Question 20 of 75

Why is lab INP debugging often misleading compared to the field?

1DevTools disables JavaScript during recordings
2INP isn't measured in Chrome
✓Correct answer: Developers use fast machines; real users have slower CPUs, other tabs and different interactions

Explanation

Collect attribution in the field (element, interaction type, LoAF scripts) and reproduce with CPU throttling.

Further reading

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