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performance-profiling

Audit web performance with Lighthouse and analyze Core Web Vitals.

Updated Dec 24, 2025
Search Tags:#performance#debugging#web vitals#optimization#profiling#lighthouse
One-click install
npx skills add https://github.com/OmarMira/Coontabilidad --skill performance-profiling-omarmira
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/OmarMira/Coontabilidad/tree/main/.agent/skills/performance-profiling
Command: npx skills add https://github.com/OmarMira/Coontabilidad --skill performance-profiling-omarmira

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill addresses the critical need to identify and resolve performance bottlenecks in web applications, ensuring a fast and smooth user experience.

Core Features & Use Cases

  • Performance Auditing: Utilizes Lighthouse to measure Core Web Vitals (LCP, INP, CLS) and other key metrics.
  • Bottleneck Identification: Analyzes bundle sizes, runtime execution, and memory usage to pinpoint performance issues.
  • Optimization Guidance: Provides actionable steps for improving load times, interactivity, and stability.
  • Use Case: A developer can use this Skill to audit their website's performance, receive a report on areas needing improvement, and get specific recommendations on how to fix them, such as code splitting or image optimization.

Quick Start

Run a Lighthouse performance audit on the provided URL.

Frequently Asked Questions about performance-profiling

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

FAQPage Schema
How do I optimize web performance using Core Web Vitals?▼

Run a Lighthouse audit to measure Core Web Vitals like LCP, INP, and CLS, then analyze the results to pinpoint bottlenecks and apply actionable optimization strategies for web performance.

How do I identify performance bottlenecks in a web application?▼

Identify performance bottlenecks by analyzing bundle sizes, runtime execution, and memory usage using browser DevTools, which helps pinpoint specific issues affecting load times and interactivity.

Does web performance profiling require installing Lighthouse CLI?▼

Yes, web performance profiling requires the Lighthouse CLI for automated audits and Python scripts for execution, providing detailed measurement and analysis of your application's metrics.

What is the best way to reduce bundle size and improve web vitals?▼

The best way to improve web vitals is to use performance profiling techniques that analyze bundle sizes and provide specific optimization recommendations like code splitting or image optimization.

How does runtime analysis with DevTools fix web performance issues?▼

Runtime analysis with DevTools fixes web performance issues by measuring execution and memory usage, allowing you to pinpoint specific bottlenecks and receive actionable steps to improve interactivity and stability.

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