By Domain Authority (DA), a website's performance is determined worldwide; it determines its ranking on search engine results by assigning a score between one and 100; higher scores are good for websites.
Here, in this reading, you will get all the details regarding what is domain authority score is and ways to improve it: below are the three ways to check the DA:
1. Through Moz's free SEO toolbar used in the browser
2. Moz keyword tool Keyword Explorer's SERP analysis section
3. Domain Authority can be checked by Link Explorer, which is Moz's backlink checking tool
It should be noted that a website with a pool of quality backlinks gets a high score on the Domain Authority scale. SEO experts consider DA as an essential metric to compare against the link profiles of other websites.