Domain Authority (DA) is a metric created by Moz which measures the strength of a website’s domain. DA is a logarithmic scale from 0 to 100, with higher scores representing websites that are more likely to rank higher on search engine result pages (SERPs). The metric takes into account factors such as the number of links pointing to a website, the relevance and quality of those links, the age and trustworthiness of the domain, and more. While DA is a useful metric for summarizing the strength of your SEO, it is important to understand that Google and other search engines do not use it in their ranking algorithm.