https://www.cnbc.com/2019/04/10/facebook-click-gap-google-like-approach-to-stop-fake-news-going-viral.html

Facebook on Wednesday announced a slew of new features in its ongoing fight against fake news, and one of them is taken directly from the playbook of bitter rival Google.

The social media company said it will use a new approach called Click-Gap to reduce the amount of low-quality content, such as fake news, that users see on News Feed. For this, Facebook is crawling and indexing the entire internet to identify and web sites that receive a disproportionate amount of their traffic from the social network. Then, it will lower the prominence of posts from these sites.