FrontendHaltPerformance·Intermediate·Conceptual·1 min read
How do you improve INP?
Short interview answer
Find slow interactions, reduce main-thread long tasks, minimize rendering work, break up CPU work, avoid layout thrashing, and give immediate feedback. The problem may be input delay, handler time, or presentation delay.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.