---
name: "tech-workers-cache-hit-skips-cpu"
title: "Cache HIT skips Worker CPU"
description: "On HIT the Worker does not run — no CPU billing for that request"
type: "tech"
category: "cloudflare"
tags: ["tech", "cloudflare", "cache", "performance"]
related: ["[[tech-workers-cache-enabled]]", "[[tech-tanstack-start-ssg]]"]
---
A cache HIT is served from the edge tier without invoking the Worker isolate.

Great for SSR-as-origin frameworks. Enable carefully with public CC only: [[tech-workers-cache-enabled]].