Glossary term
What is INP (Interaction to Next Paint)?
INP stands for Interaction to Next Paint.
How long the page takes to show a reaction to clicks, taps and key presses, over the whole visit. Good is 200 ms or less. It replaced FID in 2024.
Learn it properly · The Browser ContractLesson 9: Core Web Vitals for Engineers: LCP, INP and CLSWhat each metric measures, its “good” limit at the 75th percentile, why INP replaced FID, and the difference between field data and lab data.