performance

Identify and fix web performance bottlenecks using Lighthouse audits and Core Web Vitals metrics.

Updated Apr 4, 2026
One-click install
npx skills add https://github.com/emilneuraz-ai/neuraz-web --skill performance-emilneuraz-ai
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: performance
Source: https://github.com/emilneuraz-ai/neuraz-web/tree/main/.agents/skills/.agents/skills/performance
Command: npx skills add https://github.com/emilneuraz-ai/neuraz-web --skill performance-emilneuraz-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduce load time", "fix slow loading", "improve page speed", or "performance audit".

Core Features & Use Cases

  • Deep performance optimization based on Lighthouse performance audits. Focuses on loading speed, runtime efficiency, and resource optimization.
  • Identify performance bottlenecks in code and assets
  • Prioritize by impact on Core Web Vitals
  • Provide specific optimizations with code examples
  • Measure improvement with before/after metrics

Quick Start

Use the performance optimization workflow to run a Lighthouse audit and apply the recommended changes to your site.

Frequently Asked Questions about performance

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

FAQPage Schema
How do I fix slow loading times on my web application?

Improve Core Web Vitals by identifying and fixing performance bottlenecks across server response, resource loading, and rendering. Apply targeted optimizations based on Lighthouse audit results to achieve quantifiable performance budgets and improve LCP, FID, CLS, and TTI metrics.

What is the best way to improve Core Web Vitals for an asset-heavy site?

Improve Core Web Vitals by identifying and fixing performance bottlenecks across server response, resource loading, and rendering. Apply targeted optimizations based on Lighthouse audit results to achieve quantifiable performance budgets and improve LCP, FID, CLS, and TTI metrics.

Can I use Lighthouse audits to optimize performance for single page applications?

Yes, Lighthouse audits work for single page applications to identify code and asset bottlenecks. Prioritize the identified issues by their impact on Core Web Vitals and apply specific optimizations with provided code examples to improve loading speed and runtime efficiency.

How do I measure before and after metrics when optimizing page speed?

Measure page speed optimization by establishing baseline metrics for LCP, FID, CLS, and TTI before making changes. After applying resource and rendering optimizations, run the Lighthouse audit again to compare the quantifiable improvements against your performance budgets.

Why does my web page have a poor LCP score and how do I optimize it?

A poor LCP score indicates slow loading of the largest content element, often caused by server response or resource loading bottlenecks. Optimize it by applying targeted changes to resource delivery and rendering based on Lighthouse audit recommendations.