Is Domain Authority A Google Ranking Factor?

The question “Is Domain Authority A Google Ranking Factor?” is still unanswered to several website owners online. If you have met with this article, then you will be learning more about Domain Authority as explained by experts.

Is Domain Authority A Google Ranking Factor?
Is Domain Authority A Google Ranking Factor?

There are several marketers and companies with beliefs that Domain Authority is a major factor. You can see lot of guides on how you can boost your website’s Domain Authority (DA) for better ranking in search results. But does having a higher DA really result in better ranking in Google search results?

What Is Domain Authority?

Before diving in, let’s understand what Domain Authority is.

Firstly, there is domain authority (the concept) and Domain Authority (DA), the metric by Moz.

As defined by VentureSkies: the definition of domain authority

“The domain authority of a website describes how important the site is for a specific targeted subject area [and] relevance with respect to … search words..”

Domain Authority (DA) defined by Moz:

“…a search engine ranking score developed by Moz that predicts how likely a website is to rank in search engine result pages (SERPs).”

Domain Authority by Moz is calculated by a lot of factors which include number of linking root domain, and total number of links. The score is shown on a 100-point scale.

Domain Authority Definition

Moz is not the only SEO platform that has developed a metric for calculating website authority. You can also find that:

  • Ahrefs also has an Ahrefs Rank and Domain Rating. AR ranks websites in the Ahrefs database based on the size and quality of their backlinks. While Domain Rating displays the strength of a website’s backlink profile when compared to others in the Ahrefs database on a 100-point scale.
  • Majestic has Flow Metric Scores that calculate the number of links a website has and the quality of the content.
  • Semrush has an Authority Score that calculates the overall quality and SEO performance of a domain or website.

Domain Authority As A Ranking Factor: The Claim

Several websites discuss Domain Authority as a search engine ranking score. And they suggest it as a good predictor on how well a website will perform in SERPs for a targeted ranking keyword phrase.

This can make some to believe that DA is a ranking factor for search engines such as Google.

Domain Authority As A Ranking Factor: The Evidence

According to Moz website, Domain Authority has no impact on Google search results.

“Domain Authority is not a Google ranking factor and has no effect on the SERPs.”

Sometime in 2015, the Chief of Sunshine and Happiness at Google, Gary Illyes, was asked about authority passing from HTTP to HTTPS. And he gave his response in 2016 on a twitter post as:

“We don’t have “authority”, but signals should pass on, yes.”

With so much questions to Google experts, replies so far has been that DA exists, but Google doesn’t use it. This means that it is not play a major role in ranking.

Verdict: Domain Authority As A Ranking Signal

DA by Moz is same to Doman Rank (DR) by Ahrefs, Semrush Authoiry Score, and Flow Metric Scores by Majestic. They are all known to be authority metrics (score) calculated by a third-party tool, and has no actual effect on search engine rankings. So it is therefore concluded that Domain Authority is definitely not a ranking factor.


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