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Mobile INP performance: The elephant in the room

Speed Curve

Earlier this year, when Google announced that Interaction to Next Paint (INP) will replace First Input Delay (FID) as the responsiveness metric in Core Web Vitals in *gulp* March of 2024, we had a lot to say about it. INP certainly seems to be capturing interaction issues that we see in the field. Our own data reflects a similar story.

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