Genuine online sharing of Stack Report articles and content by people with an intent to educate others. (i.e. online mentions/shares).
Website views and more specifically the Views Per Visit ratio and Visit Duration metrics to measure people that are actually engaging with the site/content in a deeper way.
We are planning to add more ways for engaged community members to build upon the data that is aggregated on The Stack Report. These new functionalities will have their own dedicated engagement metrics.