domains / families / software-engineering / web-performance-optimization

web-performance-optimization

authentic

Optimize website and web application performance including loading speed, Core Web Vitals, bundle size, caching strategies, and runtime performance

When to use

• Use when website or app is loading slowly
• Use when optimizing for Core Web Vitals (LCP, INP, CLS)
• Use when reducing JavaScript bundle size
• Use when reducing main-thread blocking and slow interactions (INP)
• Use when optimizing images and assets
• Use when implementing caching strategies
• Use when debugging performance bottlenecks
• Use when preparing for performance audits

When not to use

• Use this skill only when the task clearly matches the scope described above.
• Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
• Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

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