Moz’s Domain Authority search engine ranking score ranges from 1 to 100, and the higher the number – the probability of better results in the SERP.
The main metrics that this tool uses takes into account both the quality and quantity of links that a webpage receives.
If a page has backlinks from pages with a high authority, such as Wikipedia, Google, newspapers, or magazines – it then has a higher probability of having a higher score.
Depending on the industry the website is involved with and the characteristics of the website in question, it will be better to seek out backlinks from specific websites.
For example, a local business would likely want to be linked to by industry magazines or regional newspapers, as this would be preferable for the target audience in question.
Essentially, this means that determining solid website authority is dependent on the individual business, and differs for everyone. It’s ultimately important that you analyse your top competitors and draw conclusions that are tailored to your own website, based on both your ranking and the rankings of competitors.