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Do the tracking and evaluate calls hurt INP on interaction?

Asked by sam_qa on

Ssam_qa

watching INP on a few interaction-heavy pages. I want to isolate whether the client-side evaluate and event-tracking calls are adding main-thread work on clicks.

My concern is a click firing an event or an evaluate, and that work landing on the main thread right when the handler runs, dragging INP up. How heavy are those calls in practice?

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