Content Explorer by Ahrefs lets the users find the most popular content around any topic from any website. It also allows them to sort content based on social share or backlinks. Content Explorer is a great content research tool for copywriters and content marketers. Put any keyword (or website) into this tool and you'll get a list of the most popular articles based on their "performance metrics":
Content Explorer has over 2 billion articles in its index, and new ones are added every single day. So for every keyword you enter, you’ll get many thousands of articles.