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performance-expert

Optimize React, Next.js, and NestJS applications for performance.

2|1|Updated Apr 4, 2026
Search Tags:#performance#aws#react#optimization#nextjs#mongodb#nestjs
One-click install
npx skills add https://github.com/genfeedai/genfeed.ai --skill performance-expert-genfeedai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: performance-expert
Source: https://github.com/genfeedai/genfeed.ai/tree/main/.agents/skills/performance-expert
Command: npx skills add https://github.com/genfeedai/genfeed.ai --skill performance-expert-genfeedai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Performance optimization for modern web applications to reduce render times, API latency, and resource usage across frontend, backend, and infrastructure.

Core Features & Use Cases

  • Frontend optimization: code-splitting, memoization, server components, ISR, and bundle reduction for React/Next.js projects.
  • Backend & Database optimization: API performance improvements, caching strategies, and efficient MongoDB queries with indexing.
  • Infrastructure tuning: CDN caching, Lambda cold-start optimization, and deployment best practices to minimize latency.

Quick Start

Begin by profiling your project to identify bottlenecks and implement recommended frontend, backend, and database optimizations.

Frequently Asked Questions about performance-expert

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

FAQPage Schema
How do I optimize React and Next.js rendering to meet Core Web Vitals targets?▼

Improve NestJS API response times by implementing caching strategies, optimizing database queries, and tuning infrastructure to reduce latency and achieve API p95 response times under 200ms.

What's the best way to reduce MongoDB query latency in a NestJS backend?▼

Reduce MongoDB query latency by applying proper indexing strategies and efficient query structuring within your NestJS backend to streamline database access and significantly improve API performance.

How do I fix AWS Lambda cold-start issues affecting my web application performance?▼

Fix AWS Lambda cold-start issues by applying infrastructure tuning and deployment best practices to minimize latency, alongside CDN caching strategies to optimize overall application delivery.

How do I start profiling a web application to identify performance bottlenecks?▼

Start profiling your project to identify frontend, backend, and database bottlenecks, then apply targeted optimization strategies across React, Next.js, NestJS, MongoDB, and AWS infrastructure layers.

Can I use code-splitting and bundle reduction techniques for Next.js server components?▼

Yes, you can apply code-splitting, bundle reduction, and memoization techniques alongside server components in Next.js projects to significantly improve frontend rendering performance and reduce load times.

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