---
title: Concepts · Cloudflare Cache (CDN) docs
description: Review the following topics to learn more about the basic concepts and components of Cloudflare Cache.
lastUpdated: 2024-09-10T14:21:32.000Z
source_url:
  html: https://a5e76636.preview.developers.cloudflare.com/cache/concepts/index.md
  md: https://a5e76636.preview.developers.cloudflare.com/cache/concepts/
---

Review the following topics to learn more about the basic concepts and components of Cloudflare Cache.

* [CDN-Cache-Control](https://developers.cloudflare.com/cache/concepts/cdn-cache-control/)
* [Cloudflare cache responses](https://developers.cloudflare.com/cache/concepts/cache-responses/)
* [Customize cache](https://developers.cloudflare.com/cache/concepts/customize-cache/)
* [Default cache behavior](https://developers.cloudflare.com/cache/concepts/default-cache-behavior/)
* [Head Requests and Set-Cookie Headers](https://developers.cloudflare.com/cache/concepts/cache-behavior/)
* [Origin Cache Control](https://developers.cloudflare.com/cache/concepts/cache-control/)
* [Retention vs Freshness (TTL)](https://developers.cloudflare.com/cache/concepts/retention-vs-freshness/)
* [Revalidation and request collapsing](https://developers.cloudflare.com/cache/concepts/revalidation/)
