Domain Authority (DA) and Page Authority (PA) is a metric provided by MOZ or formerly SEOmoz, this metric is based upon factor from the Mozscape. Example: includes Domain Authority, Page Authority, External and Total Links, etc. Domain Authority (DA) and Page Authority (PA) higher the possibility appearing on search engines higher.
What is Domain Authority (DA) and Page Authority (PA) ?
Domain Authority: A rating system for domain names, Domain Authority website rank from 0 to 100, the higher the ranking of search engines that evaluate higher domain.
Page Authority: PA is a ranking system based on each website page structure, it also ranking site from 0 to 100.
Backlink: The number of urls pointing to the url of your other.
To evaluate the ranking of a website based on many factors including Page Authority and Domain Authority, External and Backlinks, etc... Very simple you only need to enter the url on textbox then click on "check" button for analysis, after which the data will be returned immediately.
This tool allows you to check the DA, PA and Backlink to your website