What do the acronyms PA, DA, and PR stand for?

What do the acronyms PA, DA, and PR stand for?
  • 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.

  • Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how well a website will rank on search engine result pages (SERPs). … Domain Authority is calculated by evaluating multiple factors, including linking root domains and the number of total links, into a single DA score.
    Domain authority between 40 and 50 is considered average, between 50 and 60 is considered good and over 60 is considered excellent.

  • PageRank (PR) is an algorithm used by Google Search to rank web pages in their search engine results. PageRank is a way of measuring the importance of website pages.
    According to Google: PageRank works by counting the number and quality of links to a page to determine a rough estimate of how important the website is.