Financial metrics aren’t the only gauges of a company’s health. In our latest guest column written by a CFO, Jeff Shotts, the finance chief of online retailer ModCloth, highlights a handful of critical nonfinancial information that can indicate how a business is performing. Top of the list is engagement. CFOs in consumer-facing businesses need to understand what people are doing on their company’s website or mobile apps. In today’s world of multiple devices, engagement activities can include actions as wide-ranging as “like,” “love,” “share,” leaving a review, uploading a picture, or endorsing the skills of someone in your network, Mr. Shott writes.