The term “Parent Domain Authority” typically refers to the authority or credibility of the main or root domain of a website within the context of search engine optimization (SEO). It is associated with a metric known as “Domain Authority,” which is a score that predicts how well a website’s pages are likely to rank in search engine results.

Domain Authority (DA) is measured on a scale from 1 to 100, with higher scores indicating stronger authority and a greater likelihood of ranking well in search engine results pages (SERPs). This metric is developed by Moz, a company that provides various SEO tools and resources.

The concept of Parent Domain Authority suggests that the overall strength and authority of the main domain have an influence on the ranking potential of its subdomains or pages. In other words, if the main domain has a high Domain Authority, it’s generally assumed that its subdomains or pages may benefit from some of that authority and have a better chance of ranking higher in search results.

It’s important to note that Domain Authority is just one of many factors that search engines consider when ranking websites. Other factors include the relevance of content, backlinks, user experience, on-page optimization, and more. Additionally, Domain Authority is not an official metric used by search engines themselves, but rather a tool developed by Moz to help SEO professionals assess the potential of a website’s ranking performance.