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Frontend Performance Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
Frontend Performance
Why did INP replace FID as the responsiveness Core Web Vital?
A
FID was too complicated to compute
B
FID only measured the delay before a handler STARTED for the FIRST interaction; INP measures the full interaction-to-paint duration (including handler execution) across the ENTIRE visit, not just the first interaction
C
INP is measured in a completely different unit than FID
D
There was no real reason, it was an arbitrary rename
Check Answer