Domain Authority and Page authority

[nancyisabell]

Domain Authority and Page authority for external links. What's the difference in value?

[milos87popovic]

Domain authority is value for this domain / root page. Page authority is value for some internal page like domain.com/about.html

[creativesquad]

Domain authority is the level of your main domain
page authority is the level of your subdomain

[hoangminh]

Domain Authority: A rating system for domain names, Domain Authority website rank from 0 to 100
Page authority is a metric, developed by SEOMoz, to predict the ability for a specific page to rank in search engines
To Check Page Authority and Domain Authority Checker (http://w3webtools.com/page-authority-domain-authority-checker/)

[daviddakarai]

Domain Authority predicts how well a web page will rank on a domain. The higher the Domain Authority, the greater the potential for an individual page on that domain to rank well.

Page Authority predicts the likelihood of a single page to rank well, regardless of its content. The higher the Page Authority, the greater the potential for that individual page to rank.