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Guides Core Web Vitals measurement and frontend performance optimization with LCP, FID, CLS targets, bottleneck identification, and React/bundle optimization references.
How this skill is triggered — by the user, by Claude, or both
Slash command
/ship:use-context-reviewer-performanceWhen to use
performance, Web Vitals, LCP, FID, CLS, パフォーマンス最適化, 速度改善, bundle size
reviewer-performanceThis skill is limited to the following tools:
The summary Claude sees in its skill listing — used to decide when to auto-load this skill
| Metric | Target | Measure |
| Metric | Target | Measure |
|---|---|---|
| LCP | <2.5s | Largest Contentful Paint |
| FID | <100ms | First Input Delay |
| CLS | <0.1 | Cumulative Layout Shift |
| Topic | File |
|---|---|
| Vitals | ${CLAUDE_SKILL_DIR}/references/web-vitals.md |
| React | ${CLAUDE_SKILL_DIR}/references/react-optimization.md |
| Bundle | ${CLAUDE_SKILL_DIR}/references/bundle-optimization.md |
npx claudepluginhub thkt/dotclaude --plugin toolkitProvides UI/UX resources: 50+ styles, color palettes, font pairings, guidelines, charts for web/mobile across React, Next.js, Vue, Svelte, Tailwind, React Native, Flutter. Aids planning, building, reviewing interfaces.
Fetches up-to-date documentation from Context7 for libraries and frameworks like React, Next.js, Prisma. Use for setup questions, API references, and code examples.