Influencer Score will give you insight on which source or author has the greatest impact on social media or web - the higher the number, the more popular given source is!
You can easily choose a specific number or move the bar when you choose 7, the panel will show you all the mentions coming from sources with Influencer Score 7 and higher:)
The algorithm here is based on the number of followers in social media and for a website - it's the number of visits.