With nearly a third of the average user's Internet time spent on social media, there's no question that social media marketing is a key component of any company's online advertising campaign. But for your social media marketing to be successful, you must constantly stay updated on how well it's performing. When you don't keep up with your social media analytics, you risk running campaigns that won't drive the results you desire.

So, you need to track your social media metrics -but which ones? There are countless social metrics out there to look at, and it can be hard to figure out which ones will help you determine if your campaigns drive success. Below, we'll cover the 12 social media metrics you should be most concerned with tracking.