Intermediate 9 min read Off-Page SEO

Domain Authority (DA): What It Is and How to Improve It

Key Takeaways

  • Domain Authority (DA) is a Moz metric (0-100) that predicts how likely a domain is to rank in search results.
  • DA is not a Google ranking factor — it is a third-party predictive metric used for competitive benchmarking.
  • The score is logarithmic, meaning going from DA 20 to 30 is much easier than going from 70 to 80.
  • Quality backlinks from high-authority sites are the primary driver of Domain Authority growth.
  • Compare your DA only to direct competitors — absolute DA numbers are meaningless without context.

What Is Domain Authority?

Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how likely a website is to rank in search engine results pages (SERPs). Scores range from 1 to 100, with higher scores indicating greater ranking potential. DA is calculated using dozens of factors, primarily the quantity and quality of backlinks pointing to a domain.

While DA is not a Google ranking factor, it is one of the most widely used metrics in SEO for competitive analysis and benchmarking. Similar metrics include Ahrefs' Domain Rating (DR) and Majestic's Trust Flow. The principle behind all of them is the same: sites with stronger backlink profiles tend to rank higher.

How Domain Authority Is Calculated

  • Linking root domains — The number of unique websites linking to you is the strongest DA factor.
  • Total backlinks — The total number of individual links, weighted by the authority of each linking page.
  • Link quality — Links from high-DA sites contribute more than links from low-DA sites.
  • Spam score — Sites with characteristics associated with spam or penalties receive DA deductions.
  • Logarithmic scale — DA is scored on a 100-point logarithmic scale. Moving from DA 20 to 30 might require 50 new links, while moving from 70 to 80 might require 5,000.

How to Improve Domain Authority

1

Earn quality backlinks

Create link-worthy content — original research, comprehensive guides, and free tools. See our link building guide for proven strategies.

2

Remove toxic backlinks

Audit your backlink profile for spammy or low-quality links. Use Google's Disavow Tool for links you cannot get removed.

3

Build a strong internal link structure

Distribute link equity across your site with strategic internal linking.

4

Publish consistently

Fresh, high-quality content gives other sites more reasons to link to you and signals an active, maintained site.

Important: Do not chase DA as a goal in itself. Focus on creating great content, earning relevant backlinks, and improving user experience — DA will follow as a natural byproduct.

Domain Authority vs. Actual Rankings

A higher DA does not guarantee higher rankings. Google evaluates hundreds of factors including content relevance, search intent match, E-E-A-T signals, page-level authority, and user experience. A page on a DA 30 site with highly relevant content can outrank a generic page on a DA 80 site.

How AI SEO Agents Helps Build Authority

AI SEO Agents helps build domain authority by consistently producing high-quality, link-worthy content that naturally attracts backlinks. The AI agent creates comprehensive, data-driven articles that become reference resources in your industry.

Combined with proper internal linking, schema markup, and on-page optimization, every published article strengthens your domain's topical authority and backlink potential.

Start building domain authority with consistent, high-quality content.

Build Your Authority

Domain Authority: Frequently Asked Questions

No. Domain Authority is a metric created by Moz, not Google. Google has confirmed they do not use any third-party domain authority metric in their ranking algorithm. However, DA correlates with rankings because it measures many of the same signals (backlinks, site quality) that Google does consider.
DA is relative to your competition. A DA of 30 might be excellent in a niche industry but weak in a competitive market where competitors have DA 60+. New sites typically start at DA 1-10. Small businesses usually range from 20-40. Major brands and news sites often have DA 70-90+.
DA changes slowly because it measures your backlink profile over time. Expect 3-6 months of consistent link building to see meaningful DA increases. Quick DA jumps are rare and usually indicate purchased links (which carry penalty risk) or viral content events.
Domain Authority predicts ranking strength for the entire domain. Page Authority (PA) predicts ranking strength for a specific page. A high-DA domain does not guarantee all pages will rank — individual pages need their own backlinks and quality signals.

Related Topics

Beginner
Backlinks
Intermediate
Link Building
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Off-Page SEO
BacklinksKeyword Difficulty

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