// Performance
A Core Web Vital measuring the worst-case delay between a user interaction (tap, click, keypress) and the browser's visual response. The threshold is 200ms. Replaced First Input Delay (FID) in March 2024.
Why it matters: INP (Interaction to Next Paint) is one of the performance signals that shapes how search engines, AI tools, and real visitors experience your website. Getting it right removes friction, protects your rankings, and makes every other optimization work harder. Auditing it regularly is the fastest way to catch regressions before they cost you traffic or conversions.
See how your own site handles inp (interaction to next paint) — no signup required.
Check your site's INP (Interaction to Next Paint) — run the free Performance Agent