Though the vast majority of marketers are comfortable with making decisions based on broad analytics, such as cost per click, click-through rate and cost per acquisition, most marketing campaigns are more than just these numbers. To analyze digital marketing data from all angles, marketers need to take a deep dive into their campaigns using lesser-known marketing metrics and analytics tools. This could uncover hidden connections and information that further boosts business. Remember, it's important to investigate all channels and metrics of a campaign for determining the best suitable optimizations. Below are just a few metrics and tools that can lend more insight into your overall campaign activity.