pagespeed

Run Google Lighthouse audits for Core Web Vitals, accessibility, SEO, and best practices.

Updated Aug 23, 2026

Search Tags:#performance #accessibility #web vitals #optimization #lighthouse #seo #audits

Ready to run

npx skills add https://github.com/HealthSamurai/health-samurai-io-bun --skill pagespeed

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: pagespeed
Source: https://github.com/HealthSamurai/health-samurai-io-bun/tree/main/skills/pagespeed
Command: npx skills add https://github.com/HealthSamurai/health-samurai-io-bun --skill pagespeed

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill helps identify and fix performance bottlenecks on websites, ensuring a faster and more user-friendly experience.

Core Features & Use Cases

Performance Audits: Run Google Lighthouse to analyze speed, accessibility, SEO, and best practices.
Core Web Vitals Analysis: Measure and improve key user experience metrics like LCP, TBT, and CLS.
Issue Identification: Pinpoint specific problems such as render-blocking resources or poor contrast.
Use Case: A developer can use this Skill to diagnose why their website is loading slowly and get actionable recommendations to improve its Lighthouse score.

Quick Start

Run a mobile performance analysis on your local development server at http://localhost:4444.

Frequently Asked Questions about pagespeed

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

FAQPage Schema

How do I run a Lighthouse audit for Core Web Vitals on a local development server?▼

To run a Lighthouse audit for Core Web Vitals on your local development server, you can use this Skill to analyze your website's performance, accessibility, and SEO metrics instantly. It requires the Lighthouse CLI and Chrome to be installed.

What is the best way to analyze website performance for both mobile and desktop?▼

The best way to analyze website performance for both mobile and desktop is to use a tool that supports device emulation. This Skill performs Google Lighthouse audits with specific mobile and desktop emulation options to measure user experience metrics accurately.

Does Lighthouse website performance analysis require any specific environment setup?▼

Yes, Lighthouse website performance analysis requires a specific environment setup. You must have the Lighthouse CLI and Google Chrome installed locally to execute the audits and generate the necessary performance reports.

How do I identify render-blocking resources and poor contrast issues during a performance audit?▼

To identify render-blocking resources and poor contrast issues during a performance audit, run a Lighthouse analysis using this Skill. It pinpoints specific accessibility and speed bottlenecks, providing actionable recommendations to improve your overall score.

Can I generate an HTML report from Lighthouse JSON output for SEO and best practices audits?▼

Yes, you can generate an HTML report from Lighthouse JSON output for SEO and best practices audits. This Skill supports both JSON output and HTML report generation, allowing you to easily review and share the detailed audit results.

What are the limitations of using Google Lighthouse for Core Web Vitals analysis?▼

A limitation of using Google Lighthouse for Core Web Vitals analysis is that it simulates page loads in a controlled environment rather than measuring real user field data. It provides lab data for metrics like LCP, TBT, and CLS to help identify performance bottlenecks.