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Domain Authority | Definition, Calculation, Importance and Tips to increase It

Last Updated : 04 Mar, 2024
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Domain Authority (DA) is a metric developed by Moz that quantifies the authority or strength of a domain in terms of its potential to rank well in search engine results. It is a proprietary metric and is not used by search engines like Google in their algorithms. Instead, it is a tool provided by Moz to help website owners and marketers understand the relative strength of their domain compared to others


Domain Authority

What is Domain Authority?


Domain Authority Score

Domain authority is a Search Engine Ranking score, that predicts the rank of a specific website on SERPs. It usually ranges from 0 to 100. The more the score is the more chance of showing on the top of the Search Engine Result Pages.

Why Domain Authority is important?


Importance of Domain Authority

Moz developed the domain authority (DA) statistic, which indicates a website’s chances of appearing in search engine results pages (SERPs). Higher scores indicate a higher chance of ranking. DA scores range from one to 100. DA is estimated by taking into account several elements, such as the number and quality of backlinks pointing to the website, the domain’s age, and the general quality of the content on the website.

Domain Authority (DA) is important for several reasons in the field of search engine optimization (SEO) and online marketing. Here are some key reasons why Domain Authority is considered significant:

  1. Search Engine Rankings:
    • While not a direct ranking factor used by search engines like Google, Domain Authority is a useful indicator of a website’s overall strength and potential to rank well. Websites with higher DA scores are generally more likely to achieve higher rankings in search engine results.
  2. Competitive Analysis:
    • DA provides a quick way to compare the relative strength of different websites within a niche or industry. It helps businesses understand how their domain compares to competitors and identify areas for improvement.
  3. Link Building Strategy:
    • Websites with higher Domain Authority are often more attractive for link-building efforts. Other websites may be more willing to link to a site that is seen as authoritative, helping to improve overall backlink profiles.
  4. Content Strategy:
    • Websites with higher DA are often seen as more credible and trustworthy. This credibility can attract a larger audience and encourage more engagement with the content. It can also contribute to increased visibility in search results.
  5. Site Evaluation:
    • For website owners and marketers, tracking changes in Domain Authority over time can be a valuable metric for evaluating the effectiveness of SEO strategies. Improvements in DA may indicate successful optimization efforts.

How is Domain Authority calculated?


How Domain Authority is Calculated

Moz, the company that developed Domain Authority (DA), uses a complex algorithm to calculate this metric. While the exact details of the algorithm are proprietary and not publicly disclosed, Moz has shared some insights into the factors that influence Domain Authority. It’s important to note that DA is just one of many metrics used in the SEO industry, and other tools may use different algorithms to assess domain strength. Here are some key factors considered in the calculation of Moz’s Domain Authority:

  1. Linking Root Domains:
    • The number of unique root domains (distinct websites) linking to a particular domain is a significant factor. The quality, relevance, and diversity of these backlinks also play a crucial role.
  2. Total Number of Backlinks:
    • While the number of linking root domains is essential, the total volume of backlinks, including internal and external links, contributes to a domain’s authority.
  3. MozRank and MozTrust:
    • MozRank measures the link popularity of a domain, while MozTrust assesses the trustworthiness of the site based on its proximity to trusted sites. Both factors influence Domain Authority.
  4. Content Quality and Relevance:
    • The quality and relevance of the content on a domain impact its authority. Well-written, informative, and engaging content tends to attract more high-quality backlinks.
  5. Social Signals:
    • While not as heavily weighted as other factors, social signals (such as shares, likes, and comments on social media platforms) can contribute to a domain’s authority.
  6. Link Disinflation:
    • This factor considers the ratio of followed and no-followed links. A natural link profile with a mix of both types is generally seen as more authoritative.
  7. Domain Age:
    • Older domains tend to have higher Domain Authority scores. However, the age of a domain is just one among many factors.

It’s essential to understand that Domain Authority is a relative metric, and improvements or fluctuations in scores should be interpreted in comparison to other sites. A new website might have a lower DA than an established one, even if both are strong in absolute terms.

How to Check Domain Authority?

To check Domain Authority, You can go to multiple websites like Moz, Ahrefs, and Website SEO Checker. Just go to any website paste the domain URL and click on analysis.


How to increase domain authority?

There are multiple things that we can do to increase our Domain Authority as follows:

  • Create high-quality content: As it will encourage other websites to make references to your content, this is the most important thing you can do to boost your Domain Authority.
  • Build backlinks from high-quality websites: Higher-quality website’s backlinks are worth more than lower-quality website’s backlinks. By writing for other websites, submitting your website to directories, and advertising your material on social media, you may increase backlinks to your website.
  • Improve your website’s on-page SEO: This involves creating your title tags, meta descriptions, and alt text for images as optimal as possible. In addition, you must ensure your website runs rapidly and works on mobile devices.
  • Remove low-quality backlinks: Your Domain Authority may be impacted by low-quality backlinks. Low-quality backlinks may be found and removed with the use of a tool such as Google Search Console.


In conclusion, it’s important to understand the usefulness of domain authority as it serves as the credibility and trustworthiness factor for a website. By improving this factor through quality content, backlinks, and other SEO strategies, you can rank your website and drive more organic traffic to it.


Q1 What is a good Domain Authority?

Score between 50-60 are considered as average, and if the score is above 60 it is considered as excellent.

Q2 Does domain authority affect traffic?

A website with a higher domain authority score is have more chance to show up higher in search engine results pages (SERPs), potentially resulting in greater traffic and visibility. It’s important to remember that domain authority is just oneĀ of several criteria search engines take into account when determining results; it is not a guarantee of success.

Q3 What is the maximum domain authority?

With a discriminating range of 0 to 100, the SaaS company Moz developed an algorithm and weighted level statistic known as “Domain Authority” that provides predicts on a website’s success in search engine results.

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