domain explorer,Ahrefs / moz,Sometimes used as an indicator of page rank, Page Authority is a tool from Moz that quantifies the potential of one page to rank in SERPs. It assigns a numerical value from 1 to 100 to represent the power of a web page and a high power indicates that the page will likely to appear at the top of a search results. Website: The Page Authority Checker is a tool whereby free services are offered; you just have to type in the URL of the page you want checked and get the score of that page. It will study the page, and reveal the PA score, which will give you an overview of about where that page could conceivably rank in Google. Some key things to know about Page Authority Checker: It costs nothing and only takes a few seconds to use – just input a URL to get the PA score of the page. It is a 100 point scale with the higher score pointing to more authority and better search ranking. It can check authority for any given web page not necessarily home page URLs. : It uses the Mozscape index and Link Explorer data to compute the automated Page Authority figures It can be used either for comparing the PA of URLs to each other or for observing changes in PA over certain amount of time. It offers an immediate indication of how well a site or page is faring within a search to help fill gaps in other forms of SEO information. In other words, Page Authority Checker is fast and completely free of charge service that provides you with a snap shot of how well the particular page will rank in the search engines based on the authority score. Given this, it’s useful for comparing a page to another, or comparing progress of SEO work over time.
