Google PageRank is an algorithm used by Google to rank webpages for their own organic search results. Ahrefs Domain Rank is an exponential scale of 0 to 100 developed by Ahrefs which is the average evaluation of all webpages of a domain with the impact of all back links which link to a given website. Where Ahrefs Domain Rank will be calculated using back link factor, Google PageRank is an algorithm which considers multiple factors beside back links.
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