Web Performance Optimization Detailed Guide Read the detailed guide before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely. When to Use This Skill - 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 asset…