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".
Install
npx skills add addyosmani/web-quality-skills --skill web-quality-auditnpx skills add addyosmani/web-quality-skills --skill web-quality-audit -a claude-code -gnpx skills add addyosmani/web-quality-skills --skill web-quality-audit -a codex -ggemini skills install https://github.com/addyosmani/web-quality-skills.git --path skills/web-quality-auditgh skill install addyosmani/web-quality-skills web-quality-auditgit clone --depth 1 https://github.com/addyosmani/web-quality-skills /tmp/addyosmani__web-quality-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/addyosmani__web-quality-skills/skills/web-quality-audit ~/.claude/skills/web-quality-audit # Claude Code
cp -R /tmp/addyosmani__web-quality-skills/skills/web-quality-audit ~/.agents/skills/web-quality-audit # Codex, Cursor, Gemini CLI, Copilot, OpenCode