Which environments does this skill support?

This skill provides guidance for Node.js backend performance, browser-based frontend analysis (Web Vitals), and database query optimization patterns.

What is the primary goal of the Performance Profiling skill?

The primary goal is to help developers identify and resolve performance bottlenecks systematically by measuring first, optimizing based on data, and verifying the results.

What tools are covered by this performance skill?

It covers a wide range of tools including Node.js native profilers, clinic.js, flame graphs, Chrome DevTools, Lighthouse, and database query logs.

How does it help avoid premature optimization?

It enforces a 'Measure first' principle, ensuring developers focus their efforts on actual bottlenecks identified through profiling rather than guessing based on intuition.

Performance Profiling

Name: Performance Profiling
Author: timequity

bytimequity

0•

Analytics & Monitoring

Identifies and resolves software performance bottlenecks through systematic measurement and data-driven optimization.

The Performance Profiling skill enables Claude to guide developers through a disciplined optimization lifecycle, prioritizing empirical measurement over intuition. It provides specific implementation patterns for Node.js, web browsers, and databases to pinpoint high execution times, memory leaks, and inefficient resource allocation. By enforcing the 'Measure, Optimize, Verify' process, this skill ensures that every code change results in a measurable improvement to application speed and resource efficiency while preventing the pitfalls of premature optimization.

Key Features

01Browser performance analysis for web vitals and blocking tasks

02Database query optimization with EXPLAIN ANALYZE interpretation

030 GitHub stars

04Identification of memory leaks, N+1 queries, and inefficient regex

05Node.js profiling using native flags, clinic.js, and flame graphs

06Systematic measurement-first optimization workflow

Use Cases

01Eliminating N+1 query patterns and optimizing database indexing strategies

02Reducing frontend page load times by identifying blocking resources

03Diagnosing slow API response times and CPU spikes in Node.js applications

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add timequity/plugins performance-profiling

For use in Claude.ai and ChatGPT

Download Skill