Web Quality Audit
Lighthouse-style audit of performance, accessibility, SEO and best practices.
Community, verifiedby Addy OsmaniChecked October 18, 2026
Addy Osmani's evidence-led audit skill for websites. It checks the same areas as Lighthouse plus readiness for AI browsing agents, and ranks the issues by severity.
Who it is for
- Web developers
- Site owners
- SEO specialists
Prompts to try
Once the skill is installed, ask for the result in plain words. Claude picks the skill up on its own.
Audit my site's quality and list the top fixesRun a Lighthouse-style review on our landing pageCheck this page for accessibility and SEO problemsHow to install it
In Claude Code
/plugin marketplace add addyosmani/web-quality-skills/plugin install web-quality-skills@addy-web-quality-skills
In Claude.ai
The README suggests adding the skill files to a Claude.ai project's knowledge or pasting the SKILL.md into the chat.
Good to know
Or: npx skills add addyosmani/web-quality-skills.
Unlock the install steps
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How we checked it
Confirmed SKILL.md at skills/web-quality-audit/SKILL.md in addyosmani/web-quality-skills via the GitHub API; skill folder last changed 2026-08-24, repo has 2,956 stars and was pushed 2026-08-24.
Source: github.com/addyosmani/web-quality-skills/tree/main/skills/web-quality-audit