performance-profiling

Run Lighthouse audits to identify and optimize web application performance bottlenecks.

Updated Jan 6, 2026
One-click install
npx skills add https://github.com/marablemarcel/Living-Lytics --skill performance-profiling-marablemarcel
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/marablemarcel/Living-Lytics/tree/main/living-lytics/.agent/skills/performance-profiling
Command: npx skills add https://github.com/marablemarcel/Living-Lytics --skill performance-profiling-marablemarcel

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Performance profiling helps teams measure, analyze, and optimize frontend and backend performance to deliver faster, smoother applications.

Core Features & Use Cases

  • Defines a repeatable profiling workflow with Lighthouse-based audits to identify bottlenecks in web apps.
  • Provides concrete targets for Core Web Vitals, guidance for tuning bundles, and a 4-step workflow: Baseline, Identify, Fix, Validate.
  • Real-world use cases include optimizing initial load, interactivity, and runtime performance in development, CI/CD, and production contexts.

Quick Start

Run the Lighthouse audit on your target URL using python scripts/lighthouse_audit.py 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 performance bottlenecks in my web applications?

To identify performance bottlenecks in web applications, you can run a Lighthouse audit on your target URL using the provided Python script to measure Core Web Vitals and analyze page load performance.

What is the best way to establish a performance baseline during development?

The best way to establish a performance baseline is to follow a structured 4-step profiling workflow: Baseline, Identify, Fix, and Validate, using Lighthouse audits to measure initial load and interactivity metrics.

Can I run Lighthouse profiling in a CI/CD pipeline for web performance monitoring?

Yes, you can run Lighthouse profiling in CI/CD pipelines and production monitoring contexts to continuously measure, analyze, and optimize runtime performance and validate improvements against concrete targets.

Do I need Lighthouse installed to measure and optimize Core Web Vitals?

Yes, you need Lighthouse installed as a dependency because the Skill relies on its auditing capabilities to measure Core Web Vitals, tune bundles, and identify optimization opportunities in your web app.

How does a structured profiling workflow help optimize initial load and interactivity?

A structured profiling workflow helps optimize initial load and interactivity by providing concrete targets for Core Web Vitals and guiding you through baselining, identifying bottlenecks, fixing issues, and validating results.

What are the limitations of using Lighthouse for web performance profiling?

Limitations of using Lighthouse for web performance profiling include its focus on frontend metrics, meaning backend-specific bottlenecks may require separate analysis beyond the provided script and structured workflow.