Area Rating (DR) is actually a proprietary Web optimization metric by Ahrefs. It represents the power of the web site’s backlink profile with a logarithmic scale from 0 to 100, With all the latter staying the strongest. https://docs.google.com/forms/d/1D1s52WgTFdVTiyWT6wMoaucjDByH-rfsFEiqgRo6uew/edit