Area Rating (DR) can be a proprietary SEO 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 remaining the strongest. https://docs.google.com/forms/d/1vt0bshsyuZXuCwPSZn3rkHzW_JpvNNCYQRF36_njf5g/viewform?edit_requested=true