vue3-performance

Vue 3 SSR hydration mismatches occur when server renders lack determinism or browser APIs run in top-level setup. Deferring browser-only logic to onMounted and keeping setup light prevents these mismatches.

To stop unnecessary re-renders in large Vue 3 reactive lists, apply v-memo with correct dependency tracking and stable keys to reduce DOM churn and prevent updating hundreds of rows needlessly.

Use shallowRef, shallowReactive, or markRaw for Vue 3 performance optimization when handling heavy fetched datasets or large non-reactive data to reduce reactivity overhead, forcing updates with triggerRef when needed.

The best way to optimize Vue 3 virtualized or paginated tables is combining shallowRef for data storage with v-memo and stable keys to minimize reactivity overhead and prevent unnecessary DOM updates.

Yes, v-memo works with frequently updated UI regions in Vue 3 by caching DOM segments based on accurate memo dependency lists, reducing render churn while maintaining correct reactive behavior.

The limitation of using v-once for Vue 3 rendering efficiency is that it renders content only once, making it unsuitable for frequently updated UI regions where reactive data changes must reflect in the DOM.