> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/api-reference/cn/cdn/overview.md).

# 概述

内容分发网络（CDN）提供静态与动态内容的快速、安全分发，包含域名、证书、日志、刷新与预热等接口。