The only sure way to know whether an online marketing strategy is working or not is to measure the results. You may be selling a lot of product but that does not necessarily mean that your strategy is working as it doesn’t automatically translate into profitability. There are certain metrics that need to be tracked to determine the effectiveness of a campaign. Here are the most important digital marketing metrics 2018. 1.     The Average Order Value Also referred to as the AOV, your average order value is one of the key metrics for any marketing manager. With this metric, you…