> For the complete documentation index, see [llms.txt](https://docs.exoclick.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.exoclick.com/rtb/zh/guang-gao-zhu/jian-shao-ce-liang-cha-yi.md).

# 减少测量差异

当你将需求与 ExoClick RTB 平台集成时，可计费事件的信号传递方式会影响你的计数与发布商计数的接近程度：

* **包含 `burl` 在你的出价响应中** （以及 `nurl`）在展示（或在 CPC 定价模型中为点击）变为可计费时由服务器到服务器触发，因此事件从可计费事件而非客户端像素开始计数。
* **如果没有 `burl`,** 使用可计费事件计数的 ExoClick 发布商版位将记录 `展示次数 = 0` 对于该需求，因此提供它对于准确对账很重要。
* **对账仅在相邻节点之间进行** 在多跳供应链中，每一对网络各自独立对齐；它不会贯穿整个链路。
* **可计费事件遵循定价模型** 根据定价模型，CPM 对应一次展示，CPC 对应一次点击， `btype` 字段。
* **对点击进行同类对账** （有效和无效一起），并预计展示类格式在展示次数上最容易准确对账，而点击类格式在点击上最容易准确对账。

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