Individual skill

optimize

Diagnoses and fixes UI performance across loading speed, rendering, animations, images, and bundle size. Use when the user mentions slow, laggy, janky, performance, bundle size, load time, or wants a faster, smoother experience.

templates/skills/impeccable/optimize/SKILL.md

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Last checked: Nov 9, 2026

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Repository stars (not skill ratings): 5,978
Repository last updated: Nov 2, 2026
License: MIT

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SKILL.mdcore · 7,794 bytes

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Identify and fix performance issues to create faster, smoother user experiences.

## Assess Performance Issues

Understand current performance and identify problems:

1. **Measure current state**:
   - **Core Web Vitals**: LCP, FID/INP, CLS scores
   - **Load time**: Time to interactive, first contentful paint
   - **Bundle size**: JavaScript, CSS, image sizes
   - **Runtime performance**: Frame rate, memory usage, CPU usage
   - **Network**: Request count, payload sizes, waterfall

2. **Identify bottlenecks**: