By optimizing your website according to Domain Authority, Page Authority, and link authority, you could improve your website's search visibility and credibility in search results. Like Page Authority, the Semrush version of Domain Authority is Authority Score. Domains.”Page Authority vs. Domain AuthorityPage Authority is similar to Domain Authority because it focuses on link power, organic traffic, and spam factors. However, Page Authority focuses on a single page URL, while Domain Authority focuses on the overall domain. Knowing your Authority Score helps you understand and analyze Domain Authority, Page Authority, and backlink quality so you know the strengths of your website and areas of improvement.