Cloudflare Workers performance optimization with CPU, memory, caching, bundle size. Use for slow workers, high latency, cold starts, or encountering CPU limits, memory issues, timeout errors.
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Slash command/cloudflare-workers-performance
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Cloudflare Workers performance optimization with CPU, memory, caching, bundle size. Use for slow workers, high latency, cold starts, or encountering CPU limits, memory issues, timeout errors.
📊 Stats
Stars194
Forks29
LanguageTypeScript
LicenseMIT
📦 Ships with claude-skills
</> SKILL.md
cloudflare-workers-performance.SKILL.md
---name: cloudflare-workers-performance
description: Cloudflare Workers performance optimization with CPU, memory, caching, bundle size. Use for slow workers, high latency, cold starts, or encountering CPU limits, memory issues, timeout errors.
license: MIT
---# Cloudflare Workers Performance Optimization
Techniques for maximizing Worker performance and minimizing latency.
## Quick Wins
```typescript
// 1. Avoid unnecessary cloning
// ❌ Bad: Clones entire request
const body = await request.clone().json();
// ✅ Good: Parse directly when not re-using body
const body = await request.json();
// 2. Use streaming instead of buffering
// ❌ Bad: Buffers entire response
const text = await response.text();
return new Response(transform(text));
// ✅ Good: Stream transformation
return new Response(response.body.pipeThrough(new TransformStream({
transform(chunk, controller) {
controller.enqueue(process(chunk));
}
})));
// 3. Cache expensive operations
const cache = caches.default;
const cached = await cache.match(request);
