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Performance Audit

Identify bottlenecks across rendering, network, bundle size, database queries, and infrastructure.

1|1|Updated Feb 21, 2026
Search Tags:#performance#web vitals#optimization#profiling#bottleneck#Core Web Vitals
One-click install
npx skills add https://github.com/dtsong/claude-code-windows-setup --skill performance-audit-dtsong
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Performance Audit
Source: https://github.com/dtsong/claude-code-windows-setup/tree/main/skills/council/tuner/performance-audit
Command: npx skills add https://github.com/dtsong/claude-code-windows-setup --skill performance-audit-dtsong

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill identifies and prioritizes performance bottlenecks across the entire application stack, from rendering to database and infrastructure.

Core Features & Use Cases

  • Bottleneck Identification: Pinpoints issues in rendering, network, bundles, database, and infrastructure.
  • Performance Baseline: Establishes a clear reference point using tools like Lighthouse.
  • Optimization Roadmap: Provides a prioritized list of actionable improvements with estimated impact.
  • Use Case: A website is experiencing slow load times. This Skill will analyze its Core Web Vitals, identify specific issues like large unoptimized images or slow database queries, and suggest a clear plan to improve performance.

Quick Start

Run a performance audit on the provided application URL to identify bottlenecks and receive optimization recommendations.

Frequently Asked Questions about Performance Audit

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

FAQPage Schema
How do I identify performance bottlenecks across my application stack?▼

To identify performance bottlenecks, you can profile the full stack including rendering, network, bundle size, database queries, and infrastructure. This generates a baseline and a prioritized inventory of specific issues to resolve.

What is the best way to profile Core Web Vitals and optimize web performance?▼

Profiling Core Web Vitals is best done using Lighthouse to assess rendering and network waterfalls. This approach establishes a performance baseline and produces an optimization roadmap with estimated impact for each recommendation.

How do I analyze database query performance and bundle composition for slow load times?▼

Analyzing database query performance and bundle composition pinpoints specific bottlenecks causing slow load times. The audit evaluates these layers to build a prioritized optimization roadmap targeting the most impactful issues.

Can I get an optimization roadmap with estimated impact for my application's performance issues?▼

Yes, you can get an optimization roadmap with estimated impact for your performance issues. The audit translates the profiled baseline and bottleneck inventory into a prioritized, actionable list of improvements.

Does this performance audit work for full stack applications including rendering and infrastructure?▼

Yes, this performance audit works for full stack applications, analyzing rendering, network, bundle size, database queries, and infrastructure. It assesses the entire stack to identify and prioritize all relevant bottlenecks.

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