Difference Between Google AuthorRank and PageRank

In our yesterday's post about AuthorRank, we talked about how Google is working out on a new way to weed out spam from the web, and rank online content more effectively. Since then, some of our readers have been asking what's the difference between PageRank and AuthorRank, and which one is 'better'. Well, before we go on explaining which is 'better', we first need to take a look at what AuthorRank is, and how it is different from PageRank.
Google AuthorRank Series
Part2: Difference Between AuthorRank and PageRank?

What is AuthorRank?

AuthorRank is another way of telling Google about the quality of a content. An author's (Agent's) ranking will influence the content's performance in search results. According to Google's AuthorRank patent:
The identity of individual agents responsible for content can be used to influence search ratings

How does AuthorRank differ from PageRank?

When a user enters a search term into a search engine, basically two types of algorithms come into play. query-dependent, and query-independent. Query dependent algorithms rank content based on how closely it relates to the entered query. And query-independent algorithms rank content based on its quality. AR and PR are both query-independent 

AuthorRank and PageRank are similar to each other as far as informing search engines about the quality of content is concerned. But that's about it. PageRank is a way of ranking pages that hold certain content. And AuthorRank is a way of ranking authors who create that content.

Consider a triangle where the content is at the first corner, the creator (author) is at the second corner, and the container (site or domain) is at the third corner. PageRank is the relationship between the first and the third corner (i.e. between the content and the container). And it is restricted to these two elements only.

AuthorRank is not only the relationship between the author and the content, but also between the author and the container. So AR can effect more than one domain.

AuthorRank has some level of topic dependency as well. While PR ranks content found on one domain, no matter the topic, AR ranks content by topic as well. So a writer will have a better rank in literature, and a scientist will have a better rank in science.

Unlike PageRank, AuthorRank is lesser likely to be abused. PR can be boosted by buying high quality links or guest posting excessively etc. But AuthorRank will associate a digital signature with content. So an author's credibility will be instantly become clear.

AR vs PR, which is better?

PR is effected by factors such as number and nature of incoming links, interlinking, richness of content, no malicious activity, and so on. These factors have mostly to do with how good some content actually is at its core. So in a way, PR is still the bigger metric. It can be used to judge how good a website is, and whether other content on that website is trustworthy or not, since that's what's readers are mostly looking for. They follow links within a site that they like. So a higher PR m eans a better site.

But what about AR? Is AR important? Absolutely! AR depends on factors such as social activity and engagement, on-site engagement, sharing, comments, high-profile links etc. Hence, it has more to do with how content performs socially. A good AR will point towards a social and trustworthy content creator, and that's one of the most important thing readers look for in content.

So in essence, AR is not here to replace PR. It will just inform PR, and will make PR more accurate. So for a higher PR, you will need to work on your AR, and vice versa. The inter-connection between the two will ensure more social engagement and build up of a site's trust. So start working on both from today! We will cover tips for achieving a good AR in our next installment in this series, so stay tuned!

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  1. That's really nice one...Google page rank is more important because content is the king of any any blog.

    Thanks for a nice post..
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  2. I think you are the first one to cover this complicated topic in such an easier manner. I've been reading this blog for six months, yet commenting for the first time. Thanks for providing the valuable piece of knowledge and keep up the good work.

  3. Qasim thanks for the fast response to my comment earlier. I'm relieved to hear that, at least I do not have to switch to google account plus (I love the look of your account profile blogger)

  4. well this is nice post... for beginners better is to first focus on their PR. Because its more effect on SERP than AR.

  5. it is nice informative useful post for me. i will follow both. thanks for post. :)

    Rahul Kashyap
    Blog: SDMMovies.com

  6. well, it is quite nice information, really appreciate your talent guys

  7. I think, as you also said, both PR and AR are equally important. PR concentrates on quality content, backlinks, internal links and so many factors, where AR concentrates on quality content, credibility and social engagement. They are not the alternative to each other. I think if we can enhance our AR, it will also help increase PR. Nice article as always.
    Shiful Alam

  8. This comment has been removed by the author.

  9. Pagerank and Authorrank both are important aspect of SEO, the SEO is getting tough day by day as Google gives more challenges to the webmasters in Cheap SEO Company in India as well as around the world. To stay updated is the most challenging task to get good ranking in SERP

  10. Good use full information for Google plus username create thanks

  11. Very Nice Post Qasim. Just waiting for your next post in this series. Well, thanks again for the lovely post.


  12. @Memory Guru Deepak Thank you, and welcome, silent reader! Your participation is greatly appreciated :)

  13. @Shiful Alam you're spot-on buddy...AR and PR are BOTH important. But yes, AR informs PR and makes it more precise. So PR is the bigger metric

  14. @Mehul Mohan Thanks! The next entry will be up soon!

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  16. A very useful article. I understand that PR and AR are equally important. I admit, I have not given too much importance to that AuthorRank for my blog, http://www.lumis-detoatepentrutoti.com. But now I know I need to do.

  17. This comment has been removed by the author.

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  19. nice topic. I like your every post. I know first time about AR after PR :) so its nice. I learn one more thing from you. Thanks for it.
    Haris - http://aioucheats.com

  20. very nice post

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  28. AR and PR... that was confusing... now its clear for me! thanks, Clipping Path

  29. A useful post, it give me more knowledge. thank you.
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  30. how about the google plus page? does it have or will it have an effect in ranking? i'm currently building our google plus page for PCSO Lotto Results and i noticed when i tested the rich snippet on google webmasters, when the rel=author markup is not present like in homepage, it will show the google plus page instead.