Moz calculates DA based on data from their Link Explorer web index. This number is also based on machine learning that automatically calculates your DA score. Even though it would be easier to see the list of ranking factors, the complete list is private. While the formula and complete list of 40 factors for DA aren’t publicly available, there are a few confirmed factors that impact DA, including: Inbound link quality and number Content quality Social signals Search engine optimization (SEO) performance If you want to check your DA, you can use Moz’s Link Explorer to see what your score is. You can also use the MozBar or the SERP Analysis section of Keyword Explorer.