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After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
What is the logarithmic scale used for domain authority?
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I want to quantify how much better a score of 80 is compared to 60.
Or 60 compared to 30 etc....
What is the logarithm base?
Thanks,
Rik
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It turns out to be a bit complicated, since DA/PA are based on a machine-learning algorithm. Dr. Matt Peters, our resident data scientist, answered a similar question here:
https://seomoz.zendesk.com/entries/22546573-domain-page-authority-logarithmic
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Have you looked here?
http://www.seomoz.org/learn-seo/domain-authority
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