Core Web Vitals: FID Replaced by INP in March 2024 — PageSpeed Insights vs Lighthouse Alternatives
Treat INP as the primary interaction metric now, not FID, and stop relying on a single PageSpeed Insights run to judge whether a site feels responsive. Since March 2024, Google’s Core Web Vitals use Interaction to Next Paint instead of First Input Delay, which means your audits need field data, repeat testing, and better debugging …









