Web Quality Audit

by addyosmani

Web Quality Audit is a Quality skill for Claude Code, published by addyosmani in web-quality-skills.

2.6K stars239 forkson addyosmani/web-quality-skillsAdded 2026/08/18+1% in starsRepository updated 2026/06/14

View source on GitHub Download repo ZIP

accessibilityagent-skillsclaude-skillscore-web-vitalslighthouseskillstestingweb-performance

Install in seconds

Install Web Quality Audit

Copy Web Quality Audit into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/addyosmani/web-quality-skills/tree/main/skills/web-quality-audit ~/.claude/skills/web-quality-audit

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/addyosmani/web-quality-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/web-quality-audit/SKILL.md in addyosmani/web-quality-skills
Installs to: ~/.claude/skills/web-quality-audit
Collection: One of 6 skills cataloged from this repository
Category: Quality — 1354 skills

What Web Quality Audit does

Web Quality Audit runs a comprehensive Lighthouse-based audit covering performance, accessibility, SEO, and best practices. Use it when someone asks to audit a site, review web quality, run a Lighthouse audit, check page quality, or optimize a website.

Web Quality Audit is cataloged under Quality on DirSkills. Web Quality Audit comes from a repository tagged accessibility, agent-skills, claude-skills, core-web-vitals and lighthouse.

Documentation

README

Excerpt

Web quality audit

Comprehensive quality review based on Google Lighthouse audits. Covers Performance, Accessibility, SEO, and Best Practices across 150+ checks.

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Web Quality Audit

What else does addyosmani publish alongside Web Quality Audit?
Web Quality Audit is one of 6 skills that DirSkills catalogs from addyosmani/web-quality-skills, the repository it ships in. Its siblings there include Accessibility, Core Web Vitals and SEO. Each one is a separate skill with its own page in this directory, installs the same way Web Quality Audit does, and is maintained by addyosmani in that same repository. The rest of the collection is listed on the addyosmani/web-quality-skills page.
How does Web Quality Audit compare to other Quality skills?
Web Quality Audit ranks #492 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Web Quality Audit against them. Open each page to compare what they document and how they install.