React Performance: Rendering — Hoist Static JSX. Keywords: hoist static jsx element. Platform: React/Next.js. Description: Extract static JSX outside components to avoid re-creation. Do: Hoist static elements to module scope. Don't: Create static elements inside components. Good Example: const skeleton = <div class='animate-pulse' />; function C() { return skeleton }. Bad Example: function C() { return <div class='animate-pulse' /> }. Severity: Low.