performance

Audit web pages with Lighthouse and recommend prioritized performance fixes.

Updated Mar 21, 2026
One-click install
npx skills add https://github.com/aymenhamoudii/digitn-website --skill performance-aymenhamoudii
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: performance
Source: https://github.com/aymenhamoudii/digitn-website/tree/main/.qwen/skills/performance
Command: npx skills add https://github.com/aymenhamoudii/digitn-website --skill performance-aymenhamoudii

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Helps teams and developers identify and remediate performance bottlenecks that cause slow page loads, poor Core Web Vitals, and degraded user experience.

Core Features & Use Cases

  • Lighthouse-driven audits: Analyze LCP, FCP, TBT, CLS and provide prioritized remediation steps.
  • Asset and runtime optimization: Recommendations for image formats, responsive images, font loading, JS/CSS code-splitting, and third-party script strategies.
  • Infrastructure & caching guidance: Server response improvements, CDN/edge caching, compression, and cache-control strategies for faster TTFB and stable caching policies.
  • Use Case: Run a Lighthouse audit for a marketing landing page, reduce LCP by optimizing hero images and deferring non-critical JS, and implement a performance budget to maintain improvements.

Quick Start

Analyze https://example.com with a Lighthouse audit and provide prioritized fixes to improve LCP, reduce TBT, and meet the defined performance budget.

Frequently Asked Questions about performance

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

FAQPage Schema
How do I optimize Core Web Vitals like LCP and CLS for a landing page?▼

Optimize Core Web Vitals by running a Lighthouse audit to analyze LCP, FCP, TBT, and CLS, then apply prioritized fixes like deferring non-critical JS and optimizing hero images to improve page load metrics.

What's the best way to reduce LCP and improve web performance for single-page apps?▼

Reduce LCP for single-page apps by optimizing asset delivery through responsive images, font loading strategies, and JS/CSS code-splitting to minimize resource usage and ensure faster page loads.

How does caching strategy affect TTFB and web performance?▼

Caching strategy improves TTFB and web performance by applying server response improvements, CDN edge caching, and cache-control policies that reduce server latency and stabilize resource delivery.

Can I use this to set and enforce a performance budget for a static site?▼

You can define and meet a performance budget for static sites by receiving infrastructure and asset optimization recommendations, ensuring JS/CSS reductions and compression maintain target load times.

Why does my web application have a high Total Blocking Time in Lighthouse?▼

High Total Blocking Time in Lighthouse occurs when main thread execution is blocked by heavy JavaScript, which you can fix by code-splitting JS and implementing third-party script strategies.

Does this provide image optimization recommendations for modern web formats?▼

It provides image optimization recommendations for modern web formats, advising on responsive images and appropriate formats to reduce asset size and directly improve web performance metrics.