# Web Quality Audit (agent 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.

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.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/addyosmani/web-quality-skills |
| Skill path | skills/web-quality-audit/SKILL.md |
| Skill name | web-quality-audit |
| GitHub stars | 2,898 |
| Installs on skills.sh | 5 |
| License | MIT |
| Skills in repo | 3 |
| Plugin marketplace | addy-web-quality-skills |
| Official | no |
| Works with | Claude Code, Codex, Cursor, Gemini CLI, OpenCode |
| Category | Security |
| Last commit | Aug 24, 2026 |

## 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"

## Add this skill

### Claude Code

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

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

### ChatGPT / Codex

```sh
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
```

### Cursor

```sh
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
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

skills.sh listing: https://www.skills.sh/addyosmani/web-quality-skills/web-quality-audit

---

Canonical page: https://appsgit.com/skills/addyosmani-web-quality-audit
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