Here are Plugins & Snippets collection of downloads related to Key Performance Indicators. Please have a look if there's any download that could be of help to improve and enhance your Easy Digital Downloads WordPress webstores.
The key performance indicators (KPIs) normally are engagement received, number of followers, retweets/reposts, shares, clicks which drive traffic to your website. This all needs to be monitored on a regular basis. So be prepared for a steep learning curve and lots of trial and error until you know how to master social media marketing for your digital product marketplace.

Source: How to Build a Digital Product Marketplace in WordPress - Plugins & Snippets