Domain Authority


Domain Authority (DA) is a search engine ranking score developed by Moz that predicts how likely a website is to rank on search engine result pages (SERPs). DA scores range from one to 100, with higher scores corresponding to a greater likelihood of ranking. Domain Authority is calculated by evaluating multiple factors, including linking root domains and the number of total links, into a single DA score. This metric is used to compare websites or track the “ranking strength” of a website over time.

Importance in SEO

  • Benchmarking Against Competitors: DA helps in comparing the strength of your website against competitors.
  • Tracking Performance Over Time: It’s useful for monitoring how your SEO efforts are impacting your site’s perceived authority.
  • Link Building Strategy: High DA websites are often targeted for backlinks as they can pass more authoritative “link juice” to other sites.

Factors Influencing Domain Authority

  1. Link Profile: The number and quality of inbound and outbound links.
  2. Site Volume: The amount of content and pages on a site.
  3. Site Age: Older domains often have more authority simply because they’ve been around longer and have built more backlinks.
  4. Social Signals: Shares and likes on social media can indirectly impact DA by increasing visibility and the potential for backlinks.
  5. User Experience: Factors like site speed, mobile-friendliness, and user engagement can influence DA.

Types of Authority Metrics

  • Page Authority (PA): Similar to DA but specific to a single page on a website.
  • Trust Flow (TF) and Citation Flow (CF): Developed by Majestic, these metrics measure the trustworthiness and influence of a site based on the quality of backlinks.
  • Domain Rating (DR): Ahrefs’ metric, similar to DA, that measures the strength of a website’s backlink profile on a scale from 0 to 100.

How to Improve Domain Authority

  • Enhance Link Profile: Acquire high-quality backlinks from reputable sites.
  • Create Quality Content: High-quality, engaging content is more likely to earn backlinks.
  • Optimize Internal Links: Ensure a clean, efficient internal linking structure to distribute link equity throughout the site.
  • Improve Site Structure and Usability: Enhancing the overall user experience can indirectly impact DA.
  • Regular SEO Audits: Identify and fix technical SEO issues that could be hindering site performance.


  • High DA Website: Wikipedia has a very high DA, making it likely to rank well in SERPs for a wide range of queries.
  • Improving DA: A new blog increases its DA from 10 to 30 within a year by publishing quality content regularly and earning backlinks from established sites in its niche.


Domain Authority is a useful metric for understanding a website’s potential ranking power in SERPs, but it’s important to remember that DA is not used by Google in its ranking algorithm. Instead, it’s a tool used by marketers to estimate a site’s ability to rank. Improving DA requires a long-term SEO strategy focused on building quality backlinks, creating engaging content, and providing a good user experience.

Nedim Mehic

Nedim is a senior technical SEO specialist, and the co-founder of Beki AI. On the Beki AI blog, we share new and innovative strategies to SEO and content marketing.

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