How Google Identifies Primary Versions of Duplicate Pages

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How Google Identifies Primary Versions of Duplicate Pages

Identifying Primary Versions of Duplicate Pages

We know that Google doesn’t penalize duplicate pages on the Web, but it may try to identify which version it prefers to other versions of the same page.

I came across this statement on the Web about duplicate pages earlier this week, and wondered about it, and decided to investigate more:

If there are multiple instances of the same document on the web, the highest authority URL becomes the canonical version. The rest are considered duplicates.

~ Link inversion, the least known major ranking factor.

unsplash-logoLuke Leung

I read that article from Dejan SEO about duplicate pages, and thought it was worth exploring more. As I was looking around at Google patents that included the word “Authority” in them, I found this patent which doesn’t quite say the same thing that Dejan does, but is interesting in that it finds ways to distinguish between duplicate pages on different domain… Read More


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