请求执行时间的分布更加有规律，因此用户可以以更加有规律的速度接收页面。

The request-execution time is distributed much more regularly, so users will receive pages at more regular speed.

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比如，通过流量来源、地理分布、着陆页面和其他的一些维度。

For example by traffic source geography landing pages and other dimensions.

youdao

在Ajax应用中，资源一般不会分布在页面间，因此不需要单独对其进行下载缓存。

For Ajax applications resources are typically not distributed between documents and don't need to be loaded separately.

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