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What is Domain Authority

Domain Authority® (DA) is a ranking metric developed by Moz that predicts the likelihood of a website ranking on search engine results pages (SERPs). DA scores range from 1 to 100, with higher scores indicating a greater probability of achieving a high ranking.

What is DA and PA?

DA stands for Domain Authority and PA stands for Page Authority. DA measures the overall strength of an entire website, while PA evaluates the strength of a specific page. 

How to Increase Domain Authority

  • Obtain High-Quality Backlinks from Authoritative Sites: Focus on building relationships and earning links from reputable websites to boost your domain authority.
  • Produce Exceptional Content That Attracts Links: Create valuable, engaging, and shareable content that others want to link to.
  • Conduct a Site Audit and Eliminate Bad Links: Regularly review your website to identify and remove low-quality or harmful links that can negatively impact your domain authority.
  • Enhance Your Website Structure and User Experience: Optimize your website’s design, navigation, and overall user experience to encourage visitors to stay longer and interact more.
  • Strengthen Your Internal Linking Strategy: Use internal links effectively to improve site navigation and distribute link equity throughout your website.

What's a Good Domain Authority Score?

Many factors go into calculating domain authority. But to give you an idea, popular websites with many visitors and backlinks, like Google, Apple, or Microsoft, will have a high DA (between 90  and 100). 

On the other hand, if your website is new, your DA will be low (possibly between 10 to 20). 

In general, it’s easier to improve your DA when it’s on the lower end. As it increases, it gets harder and may just take time and patience. Instead of shooting for a certain number for your domain authority, look at your direct competitors. Average domain authority will vary across industries, so it doesn’t make sense to name a certain number as “good.” However, working to improve your domain authority will help your ranking signals, too (like backlinks and high-quality content).

How is Domain Authority Calculated?

According to Moz, domain authority is calculated by comparing your domain’s appearance in search results with your competitors’.

Here’s how Moz describes its domain authority score calculation:

“…the calculation of a domain’s DA score comes from a machine learning algorithm’s predictions about how often Google is using that domain in its search results. If domain A is more likely to appear in a Google SERP than domain B is, then we would expect domain A’s DA to be higher than domain B’s DA.”

The most important factors for domain authority include:

Link Profile – This includes your web page’s internal and external links. So, if your post links to high-authority websites and also gets linked back to by reputable sites, you’ll build up a great link profile.

Root Domains – When looking at your link profile, Moz also looks at the number of unique backlinks. Let’s say you have 100 links, but they’re from a single website. Moz will consider this as 1 root domain. So, it’s important to get backlinks from many different high-authority websites.

Spam Score – This is another metric that Moz calculates to determine how spammy a website might be. It compares a site with others and looks at its backlink profile.

Now that you know how domain authority is calculated, let’s dive into our guide on how to improve it.

How Do We Increase Domain Authority?

We enhance your Domain Authority by securing powerful backlinks from websites that already possess high DA scores. By creating backlinks from these authoritative sites, we ensure that link equity is passed on to your site. Once Moz crawls these backlinks, your Domain Authority is subsequently boosted.