Can it help with backend API latency?

Yes, it focuses on NestJS optimization, targeting p95 response times under 200ms through caching, connection pooling, and background job delegation.

What infrastructure platforms are covered?

The skill includes deep expertise in AWS services, specifically optimizing CloudFront edge caching and Lambda provisioned concurrency.

How does this skill improve Core Web Vitals?

It provides specific implementation patterns for image optimization, font subsetting, and code splitting to hit LCP targets under 2.5s and CLS under 0.1.

Does it support database optimization?

It is specialized in MongoDB performance, including early match filtering, projection optimization, and compound index strategy.

Performance Expert

Name: Performance Expert
Author: shipshitdev

byshipshitdev

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分析与监控

Optimizes full-stack application performance across React, Next.js, NestJS, and AWS infrastructure to achieve elite response times and Core Web Vitals.

This skill transforms Claude into a senior performance engineer capable of auditing and accelerating the entire modern web stack. It provides actionable patterns for frontend bundle reduction, React component memoization, and Next.js server-side optimization, while simultaneously addressing backend bottlenecks through NestJS API tuning and MongoDB query indexing. Whether you are troubleshooting slow database aggregations, minimizing AWS Lambda cold starts, or aiming for perfect Lighthouse scores, this skill offers the specific metrics and implementation strategies required to build high-scale, lightning-fast applications.

主要功能

01Core Web Vitals improvement (LCP, FID, CLS, FCP)

0210 GitHub stars

03Database query optimization and MongoDB indexing patterns

04AWS infrastructure tuning for Lambda and CloudFront

05Frontend bundle optimization and code splitting strategies

06React and Next.js rendering performance audits

使用场景

01Refactoring slow NestJS API endpoints and database aggregation pipelines

02Reducing Next.js bundle sizes and improving initial page load speeds

03Optimizing AWS serverless infrastructure for lower latency and cost efficiency

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add shipshitdev/library performance-expert

For use in Claude.ai and ChatGPT

Download Skill