Amazon's assessment performance indicators mainly include the following items: order defect rate, order cancellation rate, delayed delivery rate, effective order tracking, order delivery punctuality rate, return dissatisfaction rate and customer service dissatisfaction rate.

In addition, Amazon also has some other marketing channels and operational data indicators, such as the opening times, forwarding times and unsubscribe times of email marketing, as well as input-output ratio, horizontal line, ROI/ACOAS and CR.