web-quality-audit

Audit web pages for performance, accessibility, SEO, and best practices.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/chapter42/42-SEO-Skills --skill web-quality-audit-chapter42
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: web-quality-audit
Source: https://github.com/chapter42/42-SEO-Skills/tree/main/skills/references/web-quality/web-quality-audit
Command: npx skills add https://github.com/chapter42/42-SEO-Skills --skill web-quality-audit-chapter42

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Identify and report web quality issues across performance, accessibility, SEO, and best practices, enabling targeted remediation and higher quality page experiences.

Core Features & Use Cases

  • Performance, Accessibility, SEO, and Best Practices checks across 150+ criteria, delivering actionable findings.
  • Severity-based prioritization with concrete fixes and examples to guide developers and content teams.
  • Integrated outputs suitable for QA, development sprints, and pre-launch checks, plus exportable reports.

Quick Start

Audit a target website to generate a full Lighthouse-based report with prioritized fixes.

Frequently Asked Questions about web-quality-audit

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

FAQPage Schema
How do I run a web quality audit for performance, accessibility, and SEO?

Run a web quality audit by targeting a single page or entire site to identify issues across performance, accessibility, SEO, and best practices. The tool parses HTML and asset metadata to evaluate core web vitals and outputs structured findings with actionable recommendations.

What is the best way to check core web vitals and accessibility best practices before launch?

Checking core web vitals and accessibility best practices before launch requires a comprehensive pre-launch audit. It evaluates 150+ criteria, applies severity-based prioritization, and delivers concrete fixes with examples to guide developers and content teams.

Can I audit an entire site or just single pages for SEO and performance issues?

You can audit both single pages and entire sites for SEO and performance issues. The audit applies Lighthouse-based checks across multiple categories, making it suitable for development sprints, QA processes, and pre-launch verification.

How does a Lighthouse-based web quality audit prioritize fixes for developers?

A Lighthouse-based web quality audit prioritizes fixes using severity-based categorization. It analyzes 150+ criteria across performance, accessibility, SEO, and best practices, then outputs structured findings with concrete fixes and examples to guide targeted remediation.

Does the web quality audit generate exportable reports for QA teams?

Yes, the web quality audit generates integrated outputs suitable for QA and development sprints, plus exportable reports. It provides structured findings with severity-based prioritization and concrete fixes to guide optimization efforts.

What metadata does a web quality audit parse to evaluate best practices and SEO?

A web quality audit parses HTML and asset metadata to evaluate best practices and SEO. This parsing checks core web vitals, accessibility standards, and 150+ quality criteria to produce structured findings with actionable recommendations.