KnowledgeSEO & Search / Metric explained
Interaction to Next Paint
INP · How responsive the page feels when someone interacts with it.
The metric, at your level
Understand INP in context.
Simply explained explanation
How responsive the page feels when someone interacts with it.
Professional explanation
Core Web Vital evaluating latency between user interactions and subsequent visual feedback throughout a visit.
Analytical explanation
High INP often reflects long main-thread tasks and heavy third-party JavaScript. Inspect interaction traces on real devices.
Technical explanation
INP is measured in milliseconds, assessed at the 75th percentile for a page/group. A “good” result is ≤200 ms.
Four complementary explanations — choose your level. Technical definitions are platform-specific where noted.
Calculation / definitionInteraction latency in milliseconds
↗ How to use it
Reduce long tasks and expensive event handlers.
⚠ Common interpretation mistake
A fast first load does not guarantee responsive interactions.