# Metrics
source: https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/prepare-to-launch/metrics/index.md

### Why measure? {#why-measure}

Metrics in simple terms are the quantifiable goals for your product. We have outlined a set of key metrics below that will help you to track adoption and use of your product in market.

![Why test](https://static.developer.mastercard.com/content/digital-debit-experience-design-guide/img/design-standards/whymeasure_img.png)

### What to measure {#what-to-measure}

> **# DDMC cards**   
>
> To know # of consumers who have accepted the proposition (adoption)
> **Penetration rate**   
>
> '#' DDMC cards divided by Total Maestro portfolio
> **Spend volumes**   
>
> Card not Present volumes
> **Activation rate**   
>
> '#' DDMC with at least 1 eCom transaction in the period divided by # DDMC cards
> **DDMC Cross-border volumes**   
![Questions](https://static.developer.mastercard.com/content/digital-debit-experience-design-guide/img/design-standards/Whattomeasure_img.png)

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Next: [Testing plan](https://developer.mastercard.com/digital-debit-experience-design-guide/documentation/prepare-to-launch/testing-plan/index.md)