performance-optimization

Analyzes web application performance with Lighthouse and web-vitals to identify bottlenecks and recommend optimizations.

Updated Mar 20, 2026
One-click install
npx skills add https://github.com/Partners-in-Biz/partnersinbiz-web --skill performance-optimization-partners-in-biz
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: performance-optimization
Source: https://github.com/Partners-in-Biz/partnersinbiz-web/tree/main/.claude/skills/agent-skills/performance-optimization
Command: npx skills add https://github.com/Partners-in-Biz/partnersinbiz-web --skill performance-optimization-partners-in-biz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires lighthouse, web-vitals, puppeteer, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps identify and resolve performance bottlenecks in web applications, improving loading times, interaction responsiveness, and overall user experience.

Core Features & Use Cases

  • Performance Metrics Analysis: Analyze Core Web Vitals and other performance metrics for insights into user experience.
  • Bottleneck Identification: Pinpoint specific issues like slow loading, long interaction times, and layout shifts.
  • Fix Recommendations: Provide code-level suggestions to improve performance, such as optimizing images, reducing bundle size, and improving database queries.
  • Use Case: For a slow-loading e-commerce site, use this Skill to identify and fix issues like large images, render-blocking JavaScript, and slow server responses.

Quick Start

Analyze the performance of the web application at http://localhost:3000.

Frequently Asked Questions about performance-optimization

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

FAQPage Schema
How do I analyze Core Web Vitals to improve loading times?

To analyze Core Web Vitals and improve loading times, this Skill uses the web-vitals library to measure interaction responsiveness and layout shifts, identifying specific bottlenecks in your web application.

What's the best way to identify performance bottlenecks in a web application?

The best way to identify performance bottlenecks is running Lighthouse and Puppeteer to audit loading times and render-blocking resources, which reveals slow server responses and large assets.

Do I need Lighthouse and Puppeteer installed to analyze web application performance?

Yes, you need Lighthouse, Puppeteer, and the web-vitals library installed, as the performance analysis relies on these tools to automate audits and capture real-time interaction metrics.

How can I fix render-blocking JavaScript and slow server response issues?

To fix render-blocking JavaScript and slow server responses, this Skill provides code-level recommendations such as reducing bundle size, optimizing images, and improving database queries.

Can I use this performance optimization approach for a slow-loading e-commerce site?

Yes, you can use this performance optimization approach for a slow-loading e-commerce site to identify and resolve issues like large images, render-blocking JavaScript, and slow server responses.

Why does my web application have long interaction times and layout shifts?

Your web application has long interaction times and layout shifts due to unoptimized assets and render-blocking scripts, which this Skill diagnoses by analyzing Core Web Vitals metrics.