react-performance

Audit and optimize React/Next.js application performance across rendering and data fetching.

Updated Jan 22, 2026
One-click install
npx skills add https://github.com/jorgeochipinti97/dublin-skills --skill react-performance-jorgeochipinti97
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: react-performance
Source: https://github.com/jorgeochipinti97/dublin-skills/tree/main/skills/frontend/react-performance
Command: npx skills add https://github.com/jorgeochipinti97/dublin-skills --skill react-performance-jorgeochipinti97

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Audit and optimize performance of React/Next.js applications to reduce unnecessary renders and improve Core Web Vitals.

Core Features & Use Cases

  • Identify useEffect abuse and unstable rendering patterns to minimize extra renders.
  • Guide Server Components vs Client Components decisions, code-splitting, and bundle optimization.
  • Provide actionable profiling and refactoring steps for React 18/19 and Next.js 14/15+.

Quick Start

Run this skill on your React/Next.js project to start an iterative performance audit and implement recommended optimizations.

Frequently Asked Questions about react-performance

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I reduce unnecessary renders and improve Core Web Vitals in my React app?

Reduce unnecessary renders by auditing unstable rendering patterns and avoiding useEffect abuse in your React app. This optimization process directly improves Core Web Vitals by minimizing extra renders and stabilizing component boundaries.

What is the best way to decide between Server Components and Client Components in Next.js?

Deciding between Server and Client Components in Next.js requires evaluating data fetching needs and bundle optimization. Guide the decision process by code-splitting client-side logic and leveraging server components for caching to improve overall performance.

How do I profile a React 18 or Next.js 14 application to find performance bottlenecks?

Profile a React 18 or Next.js 14 application by running an iterative performance audit using profiling tools. This identifies bottlenecks in rendering and data fetching, providing actionable refactoring steps to optimize bundle strategies and component boundaries.

Does this performance audit approach work for React 19 and Next.js 15+?

Yes, the performance audit approach works for React 19 and Next.js 15+ by applying proven patterns for server components, data fetching, and bundling strategies. It provides actionable refactoring steps tailored to the latest React and Next.js versions.

Why does abusing useEffect cause performance issues in React?

Abusing useEffect causes performance issues in React by triggering unnecessary renders and unstable rendering patterns. Auditing and avoiding these effects minimizes extra renders, stabilizes component boundaries, and improves data fetching strategies.