Marketing metrics are the quantitative representation of the performance of a marketing workflow. Such values help monitor how well the target audience responds to a promotional program and what changes it might need. Companies must select their set of metrics according to marketing goals.
Metrics differ from KPIs as marketers use them to determine the overall health of marketing workflow, whereas KPIs get used for analysing a particular marketing campaign. So KPIs are nothing but metrics used to monitor a specific marketing process.
While there are many marketing metrics available, some crucial ones are: