What is DA(Domain Authority)?
Domain Authority is a VIP ticket for your Website in Google Search Results.
Domain authority tells you how better your website will score on the search engines. It is like your school report card depicting your rank in class, here in the virtual world, the report card is provided by Moz, and the search engine is a class.
Domain authority was developed by Moz, this metric is calculated on the scale of 0-100, where 100 is the best. To calculate the rank multiple factors are considered, such as linking root domain and number of total links. You can use this rank to compare websites or to track a ranking strength.
You can check your website’s DA on Mozbar, Link Explorer, etc.
Best DA can be achieved if your website has high-quality external links, for example, google.com or Wikipedia. Thus it becomes very important to have quality inbound links. This is the reason why new websites fail to secure good DA.
What is PA(Page Authority)?
Page Authority (PA) is a score developed by Moz that predicts how well a specific page will rank on search engine result pages (SERP). Page Authority scores range from one to 100, with higher scores corresponding to a greater ability to rank.
Page Authority is based on data from our web index and takes into account dozens of factors. Like Domain Authority, it uses a machine learning model to identify the algorithm that best correlates with rankings across the thousands of SERPs that we predict against, then produces Page Authority scores using that specific calculation.