Extension UI render performance: list keys, virtualization, `React.memo`, code splitting, Web Workers, debouncing. Use when a long list stutters, scrolling feels janky, a component re-renders more than it should, or a route loads slowly. Effects go to `perf-hooks-effects`; selectors to `perf-state-management`.
Scanned 9/7/2026
Install to Claude Code
Skills Directorynpx -y skills add jiayaoqijia/cryptoskill --skill metamask-official-perf-rendering --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: perf-rendering
description: >
Extension UI render performance: list keys, virtualization, `React.memo`, code splitting, Web
Workers, debouncing. Use when a long list stutters, scrolling feels janky, a component
re-renders more than it should, or a route loads slowly. Effects go to `perf-hooks-effects`;
selectors to `perf-state-management`.
base: true
---
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