performance-profiling

Analyze web application performance with Lighthouse and Chrome DevTools.

Updated May 3, 2026

Search Tags:#performance #optimization #speed #profiling #lighthouse #web

Ready to run

npx skills add https://github.com/Durannd/skills --skill performance-profiling-durannd

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/Durannd/skills/tree/main/skills/performance-profiling
Command: npx skills add https://github.com/Durannd/skills --skill performance-profiling-durannd

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill helps developers identify and fix performance bottlenecks in web applications, improving load times and user experience.

Core Features & Use Cases

Performance Measurement: Conducts runtime audits like Lighthouse and Chrome DevTools profiling.
Analysis & Optimization: Identifies issues such as large bundle sizes, slow initial load, and memory leaks.
Use Case: Use this Skill to analyze a website’s load speed during CI testing and optimize its assets for faster performance.

Quick Start

Run the lighthouse_audit.py script with a URL to get performance metrics for your website.

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 Lighthouse?▼

You can identify web performance bottlenecks by running the lighthouse_audit.py script with a URL to generate Lighthouse metrics, which analyzes load speed and flags issues like large bundle sizes across development, testing, and production environments.

What is web performance profiling and when do I need it?▼

Web performance profiling measures and analyzes application speed to find bottlenecks. You need it when slow initial load times or memory leaks degrade user experience and require asset optimization to enhance speed.

How do I run a Lighthouse audit for a website URL?▼

To run a Lighthouse audit, execute the lighthouse_audit.py script with your target website URL. This requires the Lighthouse CLI and Python to be installed for script execution and performance measurement.

Can I use Lighthouse and Chrome DevTools profiling for CI testing?▼

Yes, you can use Lighthouse and Chrome DevTools profiling during CI testing to analyze a website's load speed, identify slow initial loads, and optimize assets for faster performance before deployment.

Do I need Python installed to run web performance analysis scripts?▼

Yes, you need Python installed to execute the performance analysis scripts. The Skill requires both the Lighthouse CLI and Python to run runtime audits and generate web performance recommendations.

What is the best way to optimize web application load speed and assets?▼

The best way to optimize load speed is using Lighthouse and Chrome DevTools for comprehensive profiling. This approach identifies large bundle sizes and memory leaks, providing actionable recommendations to enhance application speed.