Technical SEO
Published 2024-03-26
•
7 min read
INP Replaces FID: How Interaction to Next Paint Impacts Core Web Vitals Today
On March 12, 2024, Interaction to Next Paint (INP) officially replaced First Input Delay (FID). Here is how to diagnose long JavaScript tasks and boost responsiveness.
Measuring Total Page Responsiveness
Unlike FID, which only measured the initial delay before the browser began processing the first user interaction, INP measures the latency of all interactions across the entire user session. Keeping INP below 200 milliseconds is essential for maintaining Page Experience scores.
Topics:
INPCore Web VitalsJavaScript OptimizationPage Speed
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