Core Web Vitals in 2026: A Practical Fix Guide
INP replaced FID and most sites broke. Here's how to diagnose and fix Core Web Vitals issues without a full rebuild.
The shift from FID to INP caught most teams off guard. INP measures actual interaction responsiveness, not just first input — which means every janky click, scroll, and tap now counts.
Start by identifying the worst-performing interactions in Search Console. Usually it's third-party scripts blocking the main thread, or heavy React re-renders on mount.
Quick wins: defer non-critical JS, split long tasks with scheduler.yield(), and audit your tag manager for scripts you don't actually need anymore.
