It can also improve the engagement rate on your posts since fake followers are not likely to engage with your content. However, it is important to note that erasing fake followers may not completely eliminate all fake accounts following you, and it is a continuous process.

There are several ways to spot fake followers. The first and most obvious tactic is to visit the follower's page. Many fake followers have just a couple of posts (often none at all) and don't appear to be very active. Fake followers usually don't use pictures of real people in their profile pic or posts.