Obviously ROI is the king here, but there are some interesting metric's around content sharing. These may have intangible results but still useful to see if you are reaching the best audience/have compelling content
25 useful metrics for content marketing success Analytics Content 04 Feb 16 | Graham Charlton inShare 411 Content marketing has been widely adopted but how are people measuring whether it works or not? Which metrics should we be looking at? The answer to that last question will depend on the business and its goals. Measuring for its own sake is pointless, it has to align with business goals. With this in mind, I’m not going to tell you which metrics are most important, but will simply present the various metrics you could use.