# 高级设置

点击域名列表中的一个域名，然后点击 **高级**。

这包含 CDN 高级设置，主要目的是提升性能和用户体验。

<div align="left"><figure><img src="/files/eisvLhMrhErchkhRwNd9" alt=""><figcaption></figcaption></figure></div>

<table><thead><tr><th width="153">参数</th><th>描述</th></tr></thead><tbody><tr><td>Gzip 压缩</td><td><p>启用 Gzip 压缩功能后，Zenlayer CDN 节点（POPs）会在资源返回给客户端之前使用 Gzip 压缩资源。</p><p>Gzip 压缩功能可以减小文件大小，加快文件分发速度，并减少带宽消耗。</p></td></tr><tr><td>客户端下载速度限制</td><td><p>启用下载速度限制可以限制每个客户端的带宽。</p><p>建议在大文件下载场景中启用此功能，可以有效减少整体突发带宽。</p></td></tr><tr><td>切片</td><td><p>启用切片模块后，CDN 服务器会将大型请求拆分为多个较小的请求，以从源站获取内容。</p><p>建议为提供大文件服务的域名激活此功能。</p></td></tr><tr><td>请求头</td><td>此配置将修改 CDN 返回源站时显示的请求头信息，可用作源站的安全检查。</td></tr><tr><td>响应头</td><td>此配置将修改 CDN 返回给客户端的响应头信息，用于客户端的安全检测。</td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

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```
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```

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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.