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Web Quality Audit

Web Quality Audit is an agent skill (a SKILL.md file) from addyosmani/web-quality-skills. Run an evidence-led web quality audit covering performance, accessibility, SEO, best practices, and agentic browsing. It works with Claude Code, Codex, Cursor, Gemini CLI and OpenCode and has 2,898 GitHub stars across a repository of 3 listed skills.

github.com/addyosmani/web-quality-skills/skills/web-quality-audit (opens in a new tab)

  • Multi-skill repo
  • Plugin marketplace
  • Security
  • Actively maintained
View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add addyosmani/web-quality-skills
/plugin install web-quality-skills@addy-web-quality-skills

In the Claude apps, zip the web-quality-audit folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/addyosmani/web-quality-skills.git
cp -r web-quality-skills/skills/web-quality-audit .agents/skills/web-quality-audit   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/addyosmani/web-quality-skills.git
cp -r web-quality-skills/skills/web-quality-audit .cursor/skills/web-quality-audit   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Run an evidence-led web quality audit covering performance, accessibility, SEO, best practices, and agentic browsing. Use when asked to "audit my site", "review web quality", "run lighthouse audit", "check page quality", or "optimize my website". Comprehensive quality review that combines live browser evidence with source inspection. Covers Performance, Accessibility, SEO, Best Practices, and Agentic Browsing without treating an aggregate score as proof of quality.

When it triggers

  • Use when asked to "audit my site", "review web quality", "run lighthouse audit", "check page quality", or "optimize my website".
  • "audit my site"
  • "review web quality"
  • "run lighthouse audit"
  • "check page quality"
  • "optimize my website"

More skills in addyosmani/web-quality-skills

3 skills are listed from this repository.

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FAQ

Web Quality Audit FAQ

Still curious? Email info@appsgit.com.

What is the Web Quality Audit skill?

Web Quality Audit is an agent skill (a SKILL.md file) from addyosmani/web-quality-skills. Run an evidence-led web quality audit covering performance, accessibility, SEO, best practices, and agentic browsing. It works with Claude Code, Codex, Cursor, Gemini CLI and OpenCode and has 2,898 GitHub stars across a repository of 3 listed skills. Its SKILL.md lives at github.com/addyosmani/web-quality-skills/skills/web-quality-audit.

How do I install the Web Quality Audit skill?

In Claude Code, run /plugin marketplace add addyosmani/web-quality-skills and then /plugin install web-quality-skills@addy-web-quality-skills. For Codex or Cursor, copy the web-quality-audit folder into .agents/skills/ or .cursor/skills/.

Is the Web Quality Audit skill free?

Yes. The repository is open source under the MIT license.

Is Web Quality Audit maintained?

The repository's most recent commit was on Aug 24, 2026. appsgit only lists skills from repositories with a commit in the last six months.