SMRTR ProgrammingNov 30, 2025Daily.dev

How to speed up long lists with TanStack Virtual

SMRTR summary

TanStack Virtual solves DOM performance issues when rendering large lists by virtualizing only visible items. This tutorial builds a realistic chat feed handling 10,000 messages with dynamic heights and infinite scroll, demonstrating how to implement scroll containers, measure dynamic content, and add pagination for smooth performance.

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