Speed Insights deprecates First Input Delay retirement date and replacement

Name: Speed Insights deprecates First Input Delay retires (Vercel)
Start: 2026-11-01
End: 2026-11-01

Vercel · Product · retires Nov 1, 2026 (in 27 days)Unverified

Dates

Checked Oct 5, 2026 on Vercel's page

Retires	Nov 1, 2026 (in 27 days)
Announced	Oct 1, 2026
Replacement	None named
Notice	Speed Insights deprecates First Input Delay on November 1st.
Source	vercel.com/changelog/speed-insights-deprecates-first-input-delay-on-november-first

Announced
Oct 5today
Retires Nov 1, 2026. Speed Insights deprecates First Input Delay on November 1st.

Date	Change	Source
Oct 5today	Announced2026-11-01UnverifiedSpeed Insights deprecates First Input Delay on November 1st.Source	Source