performance-profiling

Run Lighthouse audits and analyze Core Web Vitals for web performance.

Updated Feb 24, 2026
One-click install
npx skills add https://github.com/ofelixdev/cc-kit --skill performance-profiling-ofelixdev
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/ofelixdev/cc-kit/tree/main/template/skills/performance-profiling
Command: npx skills add https://github.com/ofelixdev/cc-kit --skill performance-profiling-ofelixdev

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill addresses the critical need to identify and resolve performance bottlenecks in web applications, ensuring faster load times, improved user experience, and better search engine rankings.

Core Features & Use Cases

  • Automated Audits: Run Lighthouse audits to get scores for performance, accessibility, best practices, and SEO.
  • Bottleneck Identification: Analyze runtime and bundle analysis reports to pinpoint specific issues like long tasks, large dependencies, or unused code.
  • Optimization Guidance: Provides actionable steps and priorities for improving Core Web Vitals and common performance anti-patterns.
  • Use Case: A developer can use this skill to audit their website's performance, receive a report highlighting areas for improvement, and get specific recommendations on how to optimize images, code splitting, and asset loading.

Quick Start

Run a Lighthouse performance audit on 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 identify web performance bottlenecks using Core Web Vitals?

To identify web performance bottlenecks, you analyze loading speed, interactivity, and stability metrics like Core Web Vitals using Lighthouse audits and Python scripts to pinpoint long tasks, large dependencies, or unused code.

How do I run an automated Lighthouse performance audit for my website?

You run an automated Lighthouse performance audit by executing Python scripts that leverage the Lighthouse CLI to analyze your website, generating scores for performance, accessibility, best practices, and SEO.

Do I need Lighthouse CLI installed to run performance profiling scripts?

Yes, you need the Lighthouse CLI installed to perform performance profiling, as the Skill requires it to run automated audits and also relies on Python scripts for automated execution.

What's the best way to optimize JavaScript bundles and improve web vitals?

The best way to optimize JavaScript bundles and improve web vitals is analyzing bundle reports to find unused code and large dependencies, applying optimization strategies like code splitting and asset loading improvements.

Why does my web application have slow loading speed and poor interactivity?

Your web application has slow loading speed and poor interactivity due to bottlenecks like long tasks, large dependencies, or unused code, which you can identify through runtime profiling and bundle analysis.