Area Rating (DR) can be a proprietary SEO metric by Ahrefs. It represents the power of the web site’s backlink profile on a logarithmic scale from 0 to 100, with the latter getting the strongest. https://docs.google.com/forms/d/1_lB6nol-F-FYE7ZFQBzeW6cTPRWCA5F_TbKYhSp3aHA/viewform?edit_requested=true