react-performance

Name: react-performance
Availability: InStock
Author: plugin

Identify React performance bottlenecks and provide optimization guidance.

1|Updated Nov 18, 2025

Search Tags:#optimization #profiling #analyze #memoization #code-splitting #web-vitals #react-performance

Ready to run

npx skills add https://github.com/pluginagentmarketplace/custom-plugin-react --skill react-performance

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: react-performance
Source: https://github.com/pluginagentmarketplace/custom-plugin-react/tree/main/skills/react-performance
Command: npx skills add https://github.com/pluginagentmarketplace/custom-plugin-react --skill react-performance

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill helps React developers identify and fix performance bottlenecks, reducing latency and improving user experience.

Core Features & Use Cases

Memoization strategies (React.memo, useMemo, useCallback) to prevent unnecessary re-renders.
Code splitting and lazy loading to reduce initial bundle size.
Profiling with React DevTools Profiler and Web Vitals monitoring for data-driven optimizations.
Use Case: Optimize a large data dashboard by profiling renders and applying memoization to expensive components.

Quick Start

Use the react-performance skill to analyze a React app and receive actionable optimization steps for memoization, code splitting, and Web Vitals improvements.

Frequently Asked Questions about react-performance

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

FAQPage Schema

How do I fix unnecessary re-renders in my React app?▼

Fix unnecessary re-renders by applying memoization strategies like React.memo, useMemo, and useCallback to prevent expensive components from re-rendering. This Skill analyzes your React app and provides actionable guidance on exactly where to apply these optimizations.

What's the best way to reduce the initial bundle size of a React application?▼

The best way to reduce initial bundle size is through code splitting and lazy loading. This Skill identifies performance bottlenecks and outputs actionable steps with JSX examples to implement code splitting effectively across your React project.

How do I profile React components to monitor Web Vitals?▼

Profile React components and monitor Web Vitals by using React DevTools Profiler alongside the web-vitals library. This Skill requires web-vitals >=3.0.0 and provides configuration notes and best practices for data-driven optimizations.

Does this React performance optimization guidance work with React 17?▼

No, this optimization guidance requires React >=18. It is designed to analyze performance bottlenecks and provide memoization, code splitting, and Web Vitals improvements specifically for modern React projects.

Why is my large data dashboard experiencing high latency?▼

High latency in a large data dashboard is often caused by unoptimized component renders and large bundle sizes. This Skill helps by profiling renders and applying memoization to expensive components to reduce latency and improve user experience.

What are the limitations of using memoization to optimize React performance?▼

Memoization prevents unnecessary re-renders but adds memory overhead and does not solve initial load latency. This Skill helps balance memoization with code splitting, lazy loading, and Web Vitals monitoring for comprehensive optimization.