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How Does Domain Authority Differ From Page Authority?


how does domain authority differ from page authority

Domain Authority, also referred to as site authority, is a popular metric among SEO professionals to determine the ranking of the website. In this blog, you will gain a deeper knowledge of domain authority and page authority. After reading this blog, you can also differentiate between domain and page authority.

Domain Authority plays a crucial role in determining a website’s visibility and search engine rankings. As a result, it is considered a top priority for SEO experts. Many common SEO techniques are aimed at enhancing the authority of the particular website, like creating informative content and building links.

Authority is also a powerful indicator of the overall SEO performance of the websites. By focusing on building authority, you can boost your website’s credibility and increase your chances of appearing prominently in search results. Now that you will understand the basic term authority, you need to understand what domain authority and page authority are.

What is Domain Authority?

Domain Authority, abbreviated as DA, is a metric developed by Moz that helps in predicting a website’s ranking in search engine result pages. It is scored on a scale of 1 to 100. If the website possesses a higher DA score, this means that the particular website has a higher possibility of ranking at the top position in SERP.

Moz uses data from its Link Explorer web index to calculate the Domain Authority score and considers several factors. The calculation process involves a machine learning model that predicts the algorithm that best correlates Moz’s link data with rankings across thousands of search results.

By using a website metric as a benchmark, website owners can assess their website’s search engine performance and identify the areas of improvement to achieve higher rankings on search engines. A high website metric score is beneficial, but this is not the only factor that ensures a high ranking of your website in SERPs.

Who introduced Domain Authority?

DA is a ranking metric Moz uses to determine a website’s success in search results. Developed by the software company Moz, this score provides insight into a website’s potential search engine performance. By analyzing a website’s content, links, and other factors, website metric helps SEO experts to understand how a website can be ranked well in search results. If you need to analyze the ranking of your website on search engine results pages, then you need to check the Domain Authority of your website.

Domain Authority assigns a scale of 1 to 100, with higher scores indicating better search engine performance. Identifying your website’s score can help you build your brand image and create an appealing and effective website that your customers are more likely to engage with it. By regularly monitoring your website’s metric score, you can track your progress and continually work towards improving your website’s search engine performance.

How Moz Calculates Your Website’s Domain Authority?

how moz calculates your website domain authority

Moz calculates a website’s DA score based on various factors with the help of a Domain Authority checker. The most essential factor is the quality and quantity of inbound links or backlinks to your website. Moz obtains this information from their up-to-date Link Explorer index. Websites with more backlinks and diverse referring domains tend to have higher DA scores. You can check your moz rank with our free moz rank checker tool.

Which is considered a good DA score?

While a perfect DA score of 100 is nearly impossible to achieve, this is not the only aspect that determines the search engine ranking of a website. Despite this, it is a comparative metric. A low DA score does not particularly mean poor search engine ranking, and a high DA score does not guarantee top ranking.

For instance, if your website has a DA score of 25, it may seem low compared to the millions of other websites, but it could still outrank your competitors for important keywords in the industry in which you are serving your customers.

According to Moz’s website, this score does not affect Google search results.

This has been evidenced by the fact:

“Domain Authority is not a Google ranking factor and does not affect the SERPs.”

This means that Google does not acknowledge Domain Authority is a ranking factor.

Later on, in the year 2020, John Mueller, Search Advocate at Google, was asked about how Domain Authority was important to crawl webpages faster on Twitter.

He answered this question:

“Just to be clear, Google doesn’t use Domain Authority *at all* when it comes to Search crawling, indexing, or ranking. This is pretty clear on their site.

We do, however, index tweets that talk about it.”

Google does not use site metrics to determine the ranking of a website.

Factors to consider in increasing the site metric of your website

DA is calculated through backlinks. You can enhance the site metric of your website by implementing off-site strategies like link building. There are various ways that help in increasing the authority of your domain, thereby increasing your website metric scores. Some effective link-building strategies are described below that are Google-compliant.

  • Get listed in directories

Listing a domain on online directories is a great and affordable way for small and local businesses to boost their website metric. Implementing local SEO strategies, such as citation building, are a cost-effective way to boost the domain score of your website. By providing accurate and consistent information about your business across different directories and online platforms, search engines like Google can better understand the locations and markets you serve. As a result, the links back to your website from these sources can gradually improve your DA score.

  • Write Quality Content

Writing trustworthy and quality content helps in reaching more customers. This leads to ensuring that the information you are providing to your customers is relevant, informative, and updated, along with impacting the lives of people in a positive manner. Google’s E-E-A-T helps in determining whether the content is trustworthy or not and whether the creator of the content has experience in the relevant subject or not.

  • Contribute Guest Posts

Writing blog posts, guest posts, conducting original research, or showcasing your thought leadership on relevant high-authority websites in your industry is an effective way to earn more backlinks to your site and improve the score of your website.

When you provide excellent content to publishers, you can showcase your brand’s expertise and often receive a backlink to your website within the post itself. As publishers are constantly searching for high-quality content, this is an effective way to increase your domain’s authority and improve your DA score.

  • Invest in Public Relations

A public relations team can bring significant benefits to businesses of all sizes, but for large enterprises, securing links in reputable publications is crucial in competing against websites with extremely high domain scores. A good relationship with the public helps in higher engagement with your customers and also helps in transforming your first-time customers into repeat customers. This improves the score of your website as your website will receive more organic traffic.

  • Broken Link Building

Broken link building is an advanced strategy that can help you find link opportunities to increase your DA score, but it requires the use of backlink tools. The process to increase the DA score is as follows:

  1. A backlink analyzer tool has been used to identify broken links on other websites.
  2. Create content that can act as a substitute for the missing resource or identify existing content on your website to serve as a replacement for the resource.
  3. Approach the editor and propose your content as a replacement.

What do you mean by Page Authority?

Page Authority or PA is a metric created by Moz that estimates the probability of a page ranking high on search engine result pages (SERP). PA scores are rated on a scale of 1-100, with higher scores indicating a stronger potential for ranking success.

Page Authority relies on data from Moz’s web index and considers numerous factors when calculating a score. Similar to site metrics, it employs a machine learning model to determine the algorithm that most closely aligns with rankings across thousands of predicted SERPs. Based on that specific calculation, you can determine the Page Authority for particular pages of your website.

How does Moz determine the PA score for your website’s pages?

how does moz determine the page authority score for your website's pages

PA is rated on a logarithmic scale of 100 points, which means that improving your score from 20 to 30 is much easier than going from 70 to 80. The algorithm used to calculate this score is updated regularly means that your PA score may fluctuate over time.

When will you determine that a PA score is “good” or “bad”?

Page Authority, like Domain Authority, relies on a machine learning algorithm, which means that the score can fluctuate as the input data changes. Therefore, using the webpage metric as a relative metric for comparison is recommended. Since it is a comparative metric, this score cannot be categorized as “good” or “bad”.

What are the differences between Page Authority and Domain Authority?

know about the differences between page authority and domain authority

Domain and Page Authority are two terms frequently used in search engine optimization to identify the credibility and authority of a website or webpage, respectively. While both metrics are developed by Moz, a leading SEO software provider, they measure different aspects of a site’s search engine performance.

There are several differences between Domain and Page Authority.

Website metric evaluates the overall reputation and authority of a website, whereas webpage metric evaluates the ranking potential of a specific website page. Webpage metrics and site metrics serve as metrics for predicting a webpage’s ranking and the strength of entire domains or subdomains, respectively. Although they differ in scope, they use the same methodology to calculate keyword ranking strength.

  • Calculation

Site metric is calculated based on various factors, like the number and quality of backlinks, the age of the domain, and the social signals. However, on the contrary, page metric focuses primarily on external links, such as the number and quality of backlinks, the relevance of the content to the search query, and the quality of user experience.

  • Score Range

The score range for Domain and Page Authority is the same, i.e., from 1 to 100. A website with a high site metric may not necessarily have high Page Authority for all of its pages and vice versa. Each page of a website is evaluated independently for PA. This is why some web pages have a higher PA score than the overall DA score.

What is the importance of DA and PA in SEO?

Website and page metrics are crucial metrics in SEO because they provide insights into the credibility and authority of a website or webpage. Page Authority can be particularly useful for SEO practitioners looking to optimize specific pages for search engine visibility. A higher DA or PA score indicates that the site or page is more likely to rank higher on SERPs, which can lead to increased traffic, visibility, and conversions. However, DA and PA are not the only factors influencing rankings, and a high score in these metrics does not guarantee top rankings for a website.


Domain Authority and Page Authority are two essential metrics for evaluating a website’s ability to rank well in search engine results pages. While domain and page authority may not directly impact search rankings, they still have a considerable influence on the website’s rankings. Domain authority may not have a direct effect, but it is an essential metric as it monitors various signals that ultimately impact search. On the other hand, page authority has its direct impact as it is a significant indicator of credibility.

While using PA to enhance your SEO ranking can be immensely beneficial, it is not the only factor responsible for SEO success. By understanding the differences between the authority metrics, website owners and SEO practitioners can use both webpage and website metrics to develop effective strategies for improving their site’s search engine visibility.

At W3Era, you can also use MozRank Checker to track your keywords and improve the ranking of your website. With our free tools, you can check the search engine ranking of your domain website or web pages for up to 10 websites at a time. If the MozRank of your website or single webpage is high, then there is a higher possibility that the MozRank of the receiving pages related to the link can be higher.


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