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performance-profiling

Run Lighthouse audits and return JSON scores with a qualitative summary.

Updated Mar 3, 2025
Search Tags:#performance#runtime#profiling#lighthouse#web-performance#bundle-analysis
One-click install
npx skills add https://github.com/cyhinverse/YiBu --skill performance-profiling-cyhinverse
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/cyhinverse/YiBu/tree/main/.agents/skills/performance-profiling
Command: npx skills add https://github.com/cyhinverse/YiBu --skill performance-profiling-cyhinverse

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Performance profiling helps measure, analyze, and optimize web applications to deliver faster, more reliable experiences.

Core Features & Use Cases

  • Lighthouse-based audits for performance, accessibility, best practices, and SEO
  • Profiling workflow guidance: baseline, identify bottlenecks, fix, validate
  • Tooling overview: bundle analysis, runtime profiling, and CI/CD integration

Quick Start

Run a Lighthouse performance audit on a URL using the included lighthouse_audit.py script.

Frequently Asked Questions about performance-profiling

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

FAQPage Schema
How do I run a Lighthouse audit to profile web performance?▼

To profile web performance, run the included lighthouse_audit.py script against a target URL. The script requires Lighthouse CLI and Python 3, returning a structured JSON with per-category scores and a qualitative summary.

What is the best way to identify web application bottlenecks during profiling?▼

Web application profiling identifies bottlenecks through a structured workflow: establish a baseline, analyze runtime tracing and bundle analysis, apply fixes, and validate improvements for frontend and backend workloads.

Does Lighthouse profiling work for CI/CD pipelines and production monitoring?▼

Lighthouse profiling integrates into CI/CD pipelines and production monitoring to measure and optimize web application performance. It delivers structured JSON outputs for tracking performance, accessibility, best practices, and SEO over time.

Can I use this to analyze JavaScript bundle size and runtime tracing?▼

Yes, web performance profiling covers both bundle analysis and runtime tracing to identify frontend and backend bottlenecks. This helps measure and optimize web applications for faster, more reliable experiences.

Do I need Python 3 installed to measure web performance with Lighthouse?▼

Yes, you need Python 3 and the Lighthouse CLI installed to execute the provided lighthouse_audit.py script. These dependencies are required to generate the structured performance audit results.

Why does my web performance audit return low scores for best practices and SEO?▼

Lighthouse web performance audits evaluate multiple categories including best practices and SEO. Low scores indicate specific issues in these areas, which are detailed in the structured JSON output for targeted optimization.

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