performance-profiling

Run Lighthouse-based audits to measure web performance metrics like LCP, INP, and CLS.

Updated Feb 21, 2026
One-click install
npx skills add https://github.com/abzhaw/juliaz_agents --skill performance-profiling-abzhaw
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/abzhaw/juliaz_agents/tree/main/.agent/skills/performance-profiling
Command: npx skills add https://github.com/abzhaw/juliaz_agents --skill performance-profiling-abzhaw

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Measure and optimize web performance metrics for modern web apps. This guide describes a structured profiling workflow to help teams identify bottlenecks and improve user experience.

Core Features & Use Cases

  • Automates Lighthouse-based audits to quantify performance, accessibility, best practices, and SEO.
  • Detects common bottlenecks (long tasks, large bundles, memory issues) and guides targeted optimizations.
  • Integrates profiling into development, CI/CD, and production monitoring with concrete examples like improving LCP on critical pages.

Quick Start

Run the Lighthouse-based profiling script against a URL to generate a performance report.

Frequently Asked Questions about performance-profiling

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

FAQPage Schema
How do I measure web performance metrics like LCP and CLS during development?

To measure web performance metrics like LCP and CLS during development, you can run a Lighthouse-based profiling script against a URL to generate an automated report quantifying performance, accessibility, and SEO.

Can I integrate Lighthouse audits into my CI/CD pipeline for continuous web performance monitoring?

You can integrate Lighthouse audits into your CI/CD pipeline for continuous web performance monitoring by running the profiling script against targeted URLs to automatically assess metrics and detect bottlenecks like long tasks or large bundles.

Do I need the Lighthouse CLI installed to run web performance profiling?

Yes, you need the Lighthouse CLI installed to run this web performance profiling workflow, as the script relies on it to execute audits and quantify metrics like LCP, INP, and CLS for modern web apps.

What's the best way to detect and optimize common bottlenecks like large bundles in web apps?

The best way to detect and optimize common bottlenecks like large bundles is to use a structured profiling workflow that performs runtime profiling and bundle analysis to identify issues and guide targeted optimizations.

Does this web performance profiling workflow assess accessibility and SEO best practices?

Yes, this web performance profiling workflow assesses accessibility and SEO best practices, as it automates Lighthouse-based audits to comprehensively quantify performance alongside these other critical web app quality metrics.