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core-web-vitals-audit

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Measure Core Web Vitals across viewports

Software Engineering#playwright#performance-testing#core-web-vitals#lcp#inp#cls
Authoranouar1991
Version1.0.0
Installs0

System Documentation

What problem does it solve?

Performance engineers need reliable, multi-viewport CWV measurements with detailed attribution and visual context to diagnose and improve page load and interactivity.

Core Features & Use Cases

  • Instrument page load using PerformanceObserver-based CWV tracking to capture LCP, CLS, and INP with element attribution and per-viewport context.
  • Drive realistic interactions across mobile, tablet, and desktop to generate representative metrics and annotated screenshots for debugging.
  • Produce a cross-viewport report card with pass/fail grades and actionable insights for optimization and release readiness.

Quick Start

Run this skill against a target URL to generate a CWV audit across mobile, tablet, and desktop and output a structured report.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: core-web-vitals-audit
Download link: https://github.com/anouar1991/binaryPetsClaude/archive/main.zip#core-web-vitals-audit

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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