Did Your Semrush Authority Score Change On Jan 31, 2023? Here's why

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Written ByJoachim
Updated: July 12, 2026 Published: February 1, 2023

TL;DR

What is the Semrush Authority Score and what changed in the January 2023 update?

Core Definition: The Semrush Authority Score (AS) is a compound domain score that measures the overall quality and SEO performance of a website. It takes a holistic approach by factoring in variables such as backlink quality, organic traffic, and spam signals to create a more manipulation-resistant metric that accurately reflects a website's overall authority.

In the constantly evolving world of search engine optimization, metrics are frequently updated to provide a more accurate assessment of a website's value. Semrush's Authority Score (AS) underwent a significant update in January 2023, aiming to create a more trustworthy and manipulation-resistant measure of a domain's overall quality and SEO strength.

  • The updated AS algorithm now factors in organic traffic to better judge a site’s real value beyond just backlinks.
  • New spam signals have been incorporated to better resist manipulation from tactics like Private Blog Networks (PBNs).
  • The score is calculated using a holistic approach, considering backlink quality, content relevance, and on-page optimization.
  • The update aims to provide a more accurate and reliable evaluation of a website's authority, helping to level the playing field in SEO.
  • A new Network Graph report makes it easier to spot unnatural link profiles and potential PBNs.
Semrush, among the leading SEO tools, made a significant update to the Authority Score (AS) metric on January 31, 2023. What happened?

The world of search engine optimization (SEO) is constantly evolving. With the introduction of new algorithms, ranking factors, and metrics, it can be difficult for website owners to keep up. However, one recent development that has taken the SEO community by storm is the new Semrush Authority Score. What is this score, how does it work, and why is it an increasingly important factor in search engine ranking?

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What is the Semrush Authority Score?

The Semrush Authority Score (AS) is a compound domain score that measures the overall quality of a website and its SEO performance. Unlike traditional metrics such as Domain Authority (DA) and Page Authority (PA), the Semrush Authority Score takes a more holistic approach to evaluating a website's authority. It factors in various variables such as backlinks, social signals, content quality, and on-page optimization. The Semrush Authority Score aims to create a more manipulation-resistant metric that accurately reflects a website's overall authority.

How is the Semrush Authority Score Calculated?

The Semrush Authority Score is calculated using a proprietary algorithm that considers various factors. Some of the key elements include:

  • Backlinks: The quality and quantity of backlinks pointing to a website are critical indicators of its authority. The Authority Score algorithm considers the number of backlinks and their relevance, quality, and diversity.
  • Social Signals: Social media activity and engagement are important indicators of a website's authority. The Authority Score algorithm considers the number of social media followers, likes, shares and mentions a website has received.
  • Content Quality: The quality of a website's content is critical to its authority. The Authority Score algorithm assesses a website's content's relevance, depth, and originality to determine its quality.
  • On-page Optimization: The Authority Score also considers on-page optimization factors such as title tags, meta descriptions, header tags, and more.

The Authority Score algorithm evaluates these and other factors to determine the overall authority of a website. The result is a score between 0 and 100, with higher scores indicating a higher level of authority.

Why is the Semrush Authority Score Important?

The Semrush Authority Score is an important KPI, providing a more comprehensive and accurate evaluation of a website's overall authority. This is particularly important in the face of growing efforts to manipulate traditional metrics such as DA and PA. By providing a more holistic and manipulation-resistant evaluation of a website's authority, the Semrush Authority Score is helping to level the playing field and create a more accurate representation of a website's value.

In addition, some search engines use it to rank websites. As the algorithms and ranking factors used by search engines continue to evolve, it is becoming more important for website owners to understand and optimize for the Semrush Authority Score.

What Changed with the January 2023 Update?

To maintain its high levels of trustworthiness, Semrush's recent improvements are continuing to combat spam and link manipulation. The key updates include:

  • Factoring in organic traffic to better judge a site’s real value.
  • Factoring in spam signals to resist manipulation.
  • A visualizer in the tool that shows how we calculate the score.
  • A Network Graph report that makes it easier to spot Private Blog Networks (PBNs) and signs of natural/unnatural link profiles.

From many client profiles we've been monitoring, we've seen ratings change by up to 30%, and we've also seen the New York Times go from 88 to a perfect 100! For further details, consult the in-depth coverage on Semrush.

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Semrush Authority Score Update FAQ

What is Semrush's Authority Score (AS)?

Popular
Semrush's Authority Score (AS) is a compound domain score that measures a website's overall quality and SEO performance. It analyzes backlinks, traffic, and content to provide a holistic and manipulation-resistant metric.

Why did Semrush update its Authority Score in January 2023?

Popular
Yes, the update aimed to increase the metric's accuracy and trustworthiness. By adding organic traffic data and spam signals to the calculation, Semrush made the score more resistant to link manipulation schemes.

How is the Semrush Authority Score calculated?

The Authority Score is calculated using a proprietary algorithm. It analyzes factors like backlink quality, social signals, content quality, and now organic traffic for a holistic evaluation of a domain's overall authority.

Is the Semrush Authority Score a direct ranking factor?

No, it is not a direct ranking factor used by Google. However, it's a valuable KPI as it correlates with factors search engines do value, like quality backlinks and genuine traffic, indicating ranking potential.

What were the main changes in the 2023 Authority Score update?

The key changes were the inclusion of organic traffic data and advanced spam-detecting signals. This was done to better judge a site's real value and resist manipulation, making the score more trustworthy.

How does Authority Score differ from older metrics like Domain Authority?

Authority Score offers a more holistic evaluation than traditional metrics like DA. It incorporates a wider range of signals, including organic traffic and spam factors, making it more resistant to manipulation.
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