Glossary · Measurement and evidence
INP
Interaction to Next Paint, the delay between a user's input and the next frame the page paints, one of the Core Web Vitals since 2024. Under 200 milliseconds is the threshold.
What INP means
Interaction to Next Paint, the delay between a user's input and the next frame the page paints, one of the Core Web Vitals since 2024. Under 200 milliseconds is the threshold. It is a field metric by nature: a lab run with no interactions cannot measure it at all.
What INP can and cannot support
| It can support | It cannot support |
|---|---|
| Interaction to Next Paint, the delay between a user's input and the next frame the page paints, one of the Core Web Vitals since 2024. Under 200 milliseconds is the threshold. | It is a field metric by nature: a lab run with no interactions cannot measure it at all. |
Terms this definition uses
Related terms in Measurement and evidence
The vocabulary for saying how strongly something is known.
evidence level · false positive · denominator note · percentile rank · population baseline · cohort asymmetry · self-audit invariant · unscored measurement · dated series · change receipt · regression · finding age · graded through a wall · self-audit · placeholder in record · fetcher disagreement · own-host loop · score version · row review · double-counted defect · cosmetic row · gated row · log file analysis · AI referral attribution · finding fingerprint · finding state · headroom · fix list · render gap · lab data · Lighthouse · RUM · LCP · CLS · topicality · intent coverage · canary · citation rate · presence rate · answer stability
Questions about INP
What is INP?
Interaction to Next Paint, the delay between a user's input and the next frame the page paints, one of the Core Web Vitals since 2024. Under 200 milliseconds is the threshold.
What does INP not show or guarantee?
It is a field metric by nature: a lab run with no interactions cannot measure it at all.
Which area of the glossary does INP belong to?
Measurement and evidence: The vocabulary for saying how strongly something is known.
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