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url: /advanced/traffic-spike.md
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# Traffic Spike Notifications

Traffic spike notifications allow you to be notified when a certain number of concurrent unique visitors is reached.

The threshold can be set on the **Reports** settings page and will be sent to the configured email addresses when it is reached.

![Traffic Spike Notifications](../static/advanced/traffic-spike-notifications.png)

Once reached, it will not be sent for the next 12 hours.