Device offline for too long

In the context of analytics report appearing imprecise, devices can naturally go offline due to internet connection loss, or power outtage.

Device turned off due to no electrical power is a issue, and data, of course, will be invariably lost. 

Device going eventually offine due to internet connection loss is not an issue. But, if the device goes offline for a time superior than the session time, then collected data will be lost, thus the analytics report reliability will drop.

Session time explanation in article of this same section.
 

Symptoms of device offline for time superior to session time

• Visitor count drops sharply during certain period.
• No visitor counts during certain period.

How to solve loss of data due to device offline

Essentially, increasing session time.

1. Read and follow the steps regarding session time in this article.
2. Provide stable electrical power to the device.