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pagespeed-analyzer

Analyze PageSpeed Insights API data to identify performance bottlenecks for URLs.

Updated Feb 25, 2026
Search Tags:#python#optimization#audit#lighthouse#web-performance#api-key#pagespeed
One-click install
npx skills add https://github.com/Panastra-labs/skills --skill pagespeed-analyzer
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: pagespeed-analyzer
Source: https://github.com/Panastra-labs/skills/tree/main/pagespeed-analyzer
Command: npx skills add https://github.com/Panastra-labs/skills --skill pagespeed-analyzer

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

PageSpeed insights are essential for identifying performance bottlenecks and opportunities to optimize web experiences. This tool helps measure, diagnose, and prioritize fixes to improve load times and user experience.

Core Features & Use Cases

  • Run automated audits in both mobile and desktop contexts to surface failing audits and notable performance regressions.
  • Compare mobile vs desktop deltas across runs, generate actionable recommendations, and guide optimization work.
  • Use case: a developer wants to identify which resources are blocking rendering and need code splitting or image optimization.

Quick Start

Run the wrapper script against a site URL to generate a human-readable performance report.

Frequently Asked Questions about pagespeed-analyzer

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

FAQPage Schema
How do I audit PageSpeed insights to identify performance bottlenecks?▼

Yes, comparing mobile vs desktop deltas is fully supported by running repeatable audits across both contexts to surface failing audits, track performance regressions, and guide optimization work.

What's the best way to diagnose render-blocking resources for website optimization?▼

The wrapper script generates a human-readable performance report detailing failing audits, performance regressions, and actionable recommendations to prioritize fixes and improve load times.

Can I compare mobile vs desktop performance deltas across multiple audit runs?▼

Yes, comparing mobile vs desktop deltas is fully supported by running repeatable audits across both contexts to surface failing audits, track performance regressions, and guide optimization work.

Do I need a PageSpeed Insights API key to run web performance audits?▼

Yes, you need a valid PageSpeed Insights API key and a Python environment to execute the local analysis script and measure web performance for your given URLs.

What's the best way to diagnose render-blocking resources for website optimization?▼

The best way to diagnose render-blocking resources is to run an automated audit against your site URL, which surfaces failing audits and guides specific website optimization work like code splitting or image optimization.

What format does the PageSpeed audit report output for developers?▼

The wrapper script generates a human-readable performance report detailing failing audits, performance regressions, and actionable recommendations to prioritize fixes and improve load times.

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