Page Authority (PA) is a metric developed by Moz that estimates the ranking strength of a specific page on a scale from 1 to 100. It is based mainly on the number and quality of backlinks pointing to that page. A higher Page Authority usually means the page has stronger link authority.
Domain Authority (DA) is a metric developed by Moz that estimates the ranking strength of a domain on a scale from 1 to 100. It is based on the quality and quantity of backlinks pointing to the website. A higher Domain Authority usually indicates a stronger backlink profile, but it does not guarantee better rankings or more organic traffic.
View definitionMoz is an SEO software company that provides tools for keyword research, rank tracking, site audits, and backlink analysis. It is best known for metrics such as Domain Authority (DA) and Page Authority (PA), which are widely used to estimate the strength of a website or page.
View definitionURL Rating (UR) is a metric developed by Ahrefs that measures the strength of a specific page’s backlink profile on a scale from 0 to 100. It is based on the number and quality of backlinks pointing directly to that page, as well as internal links from other pages on the same website. A higher URL Rating usually means the page has more link authority.
View definitionDefinitions of the most important terms used across the domain industry.