Core Web Vitals Reference — LCP, INP, CLS thresholds, root causes, optimization fixes, CrUX BigQuery queries, web-vitals library usage, and SEO impact
Install
npx skills add cognyai/claude-code-marketing-skills --skill cwv-auditnpx skills add cognyai/claude-code-marketing-skills --skill cwv-audit -a claude-code -gnpx skills add cognyai/claude-code-marketing-skills --skill cwv-audit -a codex -ggemini skills install https://github.com/cognyai/claude-code-marketing-skills.git --path skills/cwv-auditgh skill install cognyai/claude-code-marketing-skills cwv-auditgit clone --depth 1 https://github.com/cognyai/claude-code-marketing-skills /tmp/cognyai__claude-code-marketing-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/cognyai__claude-code-marketing-skills/skills/cwv-audit ~/.claude/skills/cwv-audit # Claude Code
cp -R /tmp/cognyai__claude-code-marketing-skills/skills/cwv-audit ~/.agents/skills/cwv-audit # Codex, Cursor, Gemini CLI, Copilot, OpenCode