pagespeed-insights

Diagnose slow web pages and identify performance issues affecting PageSpeed Insights scores.

5|Updated Apr 29, 2026
One-click install
npx skills add https://github.com/friedbotstudio/baseline --skill pagespeed-insights-friedbotstudio
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: pagespeed-insights
Source: https://github.com/friedbotstudio/baseline/tree/main/.claude/skills/pagespeed-insights
Command: npx skills add https://github.com/friedbotstudio/baseline --skill pagespeed-insights-friedbotstudio

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers diagnose and improve slow, unstable, or poorly optimized web pages so they can raise PageSpeed Insights scores and Core Web Vitals.

Core Features & Use Cases

  • Performance Auditing: Review lab and field metrics, identify bottlenecks, and prioritize fixes by impact.
  • Optimization Guidance: Recommend concrete improvements for images, CSS, JavaScript, fonts, caching, resource hints, and third-party scripts.
  • Use Case: A site with poor LCP and CLS can be analyzed to uncover render-blocking assets, layout shifts, and image delivery problems, then receive a prioritized remediation plan.

Quick Start

Audit the attached webpage for PageSpeed Insights issues and return the highest-impact fixes in priority order.

Frequently Asked Questions about pagespeed-insights

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

FAQPage Schema
How do I improve my PageSpeed Insights scores and Core Web Vitals?

To improve PageSpeed Insights scores, you diagnose slow web pages by reviewing lab and field metrics, identifying bottlenecks like render-blocking resources, and prioritizing concrete fixes for images, caching, and scripts to optimize Core Web Vitals.

What's the best way to find render-blocking resources causing poor LCP?

The best way to find render-blocking resources causing poor LCP is to run a Lighthouse performance audit that analyzes your webpage's critical rendering path, identifying CSS, JavaScript, and fonts that delay the largest contentful paint.

How do I fix layout shift issues in my web app?

To fix layout shift issues in your web app, perform a Core Web Vitals review to identify unstable elements causing cumulative layout shift (CLS), then apply prioritized remediation like defining image dimensions and reserving ad slots.

Can I audit landing page performance and accessibility together?

Yes, you can audit landing page performance and accessibility together by running Lighthouse audits that evaluate Core Web Vitals alongside accessibility checks, returning a prioritized remediation plan for both SEO tuning and web optimization.

Why does my website load slowly despite optimized images?

Your website may load slowly despite optimized images due to unoptimized third-party scripts, improper caching policies, render-blocking fonts, or missing resource hints that a comprehensive performance audit can identify and prioritize for remediation.