performance-profiling

Analyze web performance with Lighthouse audits and optimization scripts.

Updated Jan 16, 2026
One-click install
npx skills add https://github.com/namninhnd/PrelimStruct --skill performance-profiling-namninhnd
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: performance-profiling
Source: https://github.com/namninhnd/PrelimStruct/tree/main/.claude/skills/performance-profiling
Command: npx skills add https://github.com/namninhnd/PrelimStruct --skill performance-profiling-namninhnd

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill addresses the critical need to identify and resolve performance bottlenecks in web applications, ensuring faster load times, improved user experience, and better search engine rankings.

Core Features & Use Cases

  • Performance Auditing: Utilizes Lighthouse to conduct comprehensive audits covering performance, accessibility, best practices, and SEO.
  • Bottleneck Identification: Provides insights into specific issues like long tasks, large bundle sizes, and memory leaks.
  • Optimization Strategies: Offers actionable advice on code splitting, lazy loading, compression, and image optimization.
  • Use Case: A developer can use this Skill to audit their website's performance, receive a detailed report on Core Web Vitals, and get specific recommendations for improving the Largest Contentful Paint (LCP) score.

Quick Start

Run a Lighthouse performance audit on the provided URL.

Frequently Asked Questions about performance-profiling

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

FAQPage Schema
How do I audit my website's Core Web Vitals and identify performance bottlenecks?

You can audit Core Web Vitals and identify performance bottlenecks by running a Lighthouse performance audit, which analyzes runtime performance, bundle sizes, and specific issues like long tasks or memory leaks to generate a detailed optimization report.

What's the best way to improve a poor Largest Contentful Paint score for better web performance?

To improve a poor Largest Contentful Paint score for better web performance, apply actionable optimization strategies like code splitting, lazy loading, asset compression, and image optimization to resolve the specific rendering bottlenecks identified during profiling.

How does Lighthouse profiling work for analyzing web application bundle sizes?

Lighthouse profiling works for analyzing web application bundle sizes by executing automated scripts that audit your application's runtime, measure core web vitals, and provide insights into large assets causing slow load times.

Can I use this performance auditing approach to find memory leaks and long tasks?

Yes, you can use this performance auditing approach to find memory leaks and long tasks, as the profiling mechanism specifically identifies these runtime issues alongside bundle size anomalies and core web vitals deficits.

When do I need to run a web performance profiling audit on my application?

You need to run a web performance profiling audit when your application experiences slow load times, as proactive profiling ensures faster rendering, improved user experience, and better search engine rankings by resolving hidden bottlenecks.

Does Lighthouse performance auditing work for improving SEO and accessibility best practices?

Yes, Lighthouse performance auditing works for improving SEO and accessibility best practices, as the comprehensive audit evaluates performance alongside accessibility, best practices, and search engine optimization to provide holistic optimization recommendations.