INP

Interaction to Next Paint

How quickly the page responds when you click a button or fill out a form. Slow-responding pages feel "frozen" or "broken". Heavy JavaScript code slows down INP.

Thresholds

≤200ms Good
≤500ms Medium
>500ms Poor
≤200ms Good
≤500ms Medium
>500ms Poor

Why It Matters?

Slow-responding pages feel "frozen". Users click buttons repeatedly, accidentally submit forms multiple times. Can reduce conversion rates by up to 7% on e-commerce sites.

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