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performance-profiling

Run Lighthouse audits to analyze Core Web Vitals and rendering bottlenecks.

Updated Jun 4, 2026
Search Tags:#performance#web development#web vitals#optimization#profiling#lighthouse
One-click install
npx skills add https://github.com/achmf/KostaHub --skill performance-profiling-achmf
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/achmf/KostaHub/tree/main/.agent/skills/performance-profiling
Command: npx skills add https://github.com/achmf/KostaHub --skill performance-profiling-achmf

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires lighthouse, and includes scripts (resource) components.

What problem does it solve?

This Skill addresses the challenge of identifying and resolving performance bottlenecks in web applications by providing a structured, data-driven approach to measurement and optimization.

Core Features & Use Cases

  • Automated Auditing: Run Lighthouse performance audits directly from the command line to generate actionable performance scores.
  • Performance Analysis: Provides a systematic framework for evaluating Core Web Vitals, bundle sizes, and runtime execution.
  • Use Case: Use this Skill to audit a production URL before and after a major refactor to validate that your changes have improved LCP and INP metrics without introducing regressions.

Quick Start

Run the performance-profiling skill to execute a lighthouse audit on the website https://example.com.

Frequently Asked Questions about performance-profiling

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

FAQPage Schema
How do I measure Core Web Vitals for my web application?▼

You can measure Core Web Vitals by running automated Lighthouse audits to evaluate performance scores and identify rendering or bundle-size bottlenecks. This provides a structured, data-driven approach to web performance profiling.

Can I automate Lighthouse audits in a CI/CD workflow?▼

Yes, you can automate Lighthouse audits within CI/CD workflows. The skill supports development, CI/CD, and production monitoring workflows to validate that code changes improve performance metrics without regressions.

What is the best way to identify bundle-size bottlenecks in web development?▼

The best way to identify bundle-size bottlenecks is using automated Lighthouse performance audits. This skill systematically evaluates bundle sizes and runtime execution to pinpoint areas for optimization.

Do I need to install Lighthouse to run performance profiling?▼

Yes, you need to install the Lighthouse CLI tool in your environment. The skill requires Lighthouse to execute performance reports and analyze web application performance metrics.

How do I validate LCP and INP improvements after a major refactor?▼

You validate LCP and INP improvements by auditing a production URL before and after your refactor. Running Lighthouse audits provides data to verify metrics improved without introducing regressions.

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