Ultimately, this is a representative model of how Google decides which pages should rank for each query, and in what order they should rank.Īs is the case with the term ‘relevance’, authority covers a very broad area of assessment that is open to interpretation. This score can then be used when comparing websites or tracking the “ranking strength” of a website over time.” – Moz. A Domain Authority score ranges from one to 100, with higher scores corresponding to a greater ability to rank.ĭomain Authority is calculated by evaluating linking root domains, number of total links, MozRank, MozTrust, etc. “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).

However, many SEOs make use of Domain Authority to sense-check the quality of their inbound links and to understand how these are affecting their own’s site’s SEO health. If anything, they encouraged some negative attempts to “game” Google’s rankings through link acquisition. Google still makes use of some variation of the PR algorithm internally, but its scores are no longer visible to the public and were never particularly helpful.

It provides a glimpse into the SEO “strength” of a website, in a similar fashion to the now obsolete PageRank toolbar.

Domain authority