core-web-vitals
Core Web Vitals計測・診断スキル。Lighthouse CLI、Bundle Analyzer、パフォーマンス問題の特定と対策。
Installation
SKILL.md
| 指標 | Good | Needs Improvement | Poor |
| LCP (Largest Contentful Paint) | 4.0s | | INP (Interaction to Next Paint) | 500ms | | CLS (Cumulative Layout Shift) | 0.25 | | FCP (First Contentful Paint) | 3.0s | | TTFB (Time to First Byte) | 1800ms |
| ヒーロー画像が重い | next/image + priority + WebP | | Webフォント読み込み | next/font + display: swap | | サーバー応答遅い | キャッシュ、CDN、DB最適化 | | render-blocking JS | 動的インポート、defer |
Core Web Vitals計測・診断スキル。Lighthouse CLI、Bundle Analyzer、パフォーマンス問題の特定と対策。 Source: kimny1143/claude-code-template.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/kimny1143/claude-code-template --skill core-web-vitals- Category
- </>Dev Tools
- Verified
- —
- First Seen
- 2026-02-17
- Updated
- 2026-02-18
Quick answers
What is core-web-vitals?
Core Web Vitals計測・診断スキル。Lighthouse CLI、Bundle Analyzer、パフォーマンス問題の特定と対策。 Source: kimny1143/claude-code-template.
How do I install core-web-vitals?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/kimny1143/claude-code-template --skill core-web-vitals Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/kimny1143/claude-code-template
Details
- Category
- </>Dev Tools
- Source
- user
- First Seen
- 2026-02-17