As we all know, social media has become a vital marketing channel for reaching customers and building your brand. But with so many platforms and metrics to track, it can be challenging to know which ones matter and how to move the needle on those that impact your bottom line.This measures how involved your audience is with your content. It's calculated by taking the total engagements (likes, comments, shares) and dividing by your total number of followers or reach. Aim for at least a 1% engagement rate on Facebook and Instagram.