SkillsAdd

podo/design-agent-skills

addyosmani-quality

6 web quality skills from Google Chrome's Addy Osmani: accessibility (WCAG), web quality audit (Lighthouse-style), Core Web Vitals (LCP/INP/CLS), performance, SEO, and security best practices.

First seen May 23, 2026

Installation

$ npx skills add podo/design-agent-skills --skill addyosmani-quality
View on skills.sh ↗ GitHub repository ↗

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 8
License LICENSE
Default branch main
Open issues 1
Status Active

Skill metadata

Parsed from SKILL.md frontmatter.

Declared agents claude-code

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 2,686 B
  • docs SUMMARY.md 218 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 98 installs

SKILL.md

addyosmani-quality

Catalogue stub — full package: addyosmani/web-quality-skills

Decision tree

Run this before any web quality, performance, or accessibility audit:

  1. Is an Osmani skill already installed?

Check: ~/.design-agent-skills/skills/web-quality-audit/SKILL.md exists (representative skill). - Yes → invoke the specific skill by name and proceed - No → go to step 2

  1. Do you have shell access?

- Yes → install the specific skill below, then invoke it - No → show the install command; in Claude Code, send it as a chat message starting with ! — add -g for global install or omit for project-only

Install command

# WCAG compliance, screen reader, keyboard navigation
npx skills add addyosmani/web-quality-skills --skill accessibility

# Lighthouse-style: performance, a11y, SEO, best practices
npx skills add addyosmani/web-quality-skills --skill web-quality-audit

# LCP, INP, CLS-specific optimizations
npx skills add addyosmani/web-quality-skills --skill core-web-vitals

# Loading speed, runtime efficiency, resource optimization
npx skills add addyosmani/web-quality-skills --skill performance

# Search engine optimization, structured data
npx skills add addyosmani/web-quality-skills --skill seo

# Security, modern web APIs, code quality
npx skills add addyosmani/web-quality-skills --skill best-practices

Invoke after install

  • accessibility — "WCAG compliance", "screen reader", "keyboard nav"
  • web-quality-audit — "Lighthouse audit", "web quality"
  • core-web-vitals — "LCP", "INP", "CLS", "Core Web Vitals"
  • performance — "page speed", "loading performance"
  • seo — "SEO", "structured data", "crawlability"
  • best-practices — "web security", "modern APIs", "code quality"

What it does

Addy Osmani's (Google Chrome) 6-skill web quality suite. Covers the complete quality axis: accessibility (WCAG 2.2), Lighthouse-style holistic audits, Core Web Vitals optimization, loading/runtime performance, SEO, and security best practices — each as a focused, actionable skill.