AI BriefingSpeed Insights Deprecates First Input Delay on November 1st
·2026.10.01 09:00
Key point
The deprecation does not require user changes, affect scores, or block access to existing FID data.
Details
Speed Insights is deprecating First Input Delay (FID) and will stop recording new measurements on November 1st. The platform has already transitioned to Interaction to Next Paint (INP) as its primary responsiveness metric within the Real Experience Score.
This change requires no action from users. It will not impact existing scores, and historical FID data remains accessible for viewing.
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