Why is Moz report showing duplicate content?
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Dear Moz Community
Our weekly Moz crawl diagnostic repoart is showing a significant increase in "Duplicate Page Content" errors for article pages that have unique content, unique file names, unique META title/descriptions, and unique H1 tags.
Where could the duplication be coming from?
Thanks for your help.
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I've understood where the problem was..
It was not a content problem, but something related with a "modal" we have put a couple of weeks ago...Thanks anyway!
Now I have everything under control
Greetings
Francesca
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Hi Francesca,
Thanks for posting a reply.
Regards,
Boom!
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Hi there...
I have the same problem, since 24Th of August 2013 I have around 2000/5000 errors (it depends on subdomains...) of duplicate page content...for this reason, I am taking advantage of this question..
The MOZ Crawler says (I put just one example)
http://es.tiching.com/clasificacion-de-los-seres-inertes/recurso-educativo/35632
has similar/identical content to
http://es.tiching.com/primaria/tercero/medio-natural-y-social/sc/195
But, have jut put both on "Similar page Checker" and the result is: ** 9% percentage similar**
http://www.webconfs.com/similar-page-checker.php
I guess this percentage is normal since the second one is a results page, instead the first one is just 1 content....
I have many like that but I really did not understand why, moreover I put canonical tag, both to the same page.
A >>> canonical >> A
B >>> canonical >>> B
Tks for helping and have a great day!!!
Francesca
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Hey Justin,
Thanks for the question. How we determine duplicate content is if two or more pages have a 95% or greater overlap on the code level.
The example you provided has a ~97% overlap. Here's a handy tool for checking these: http://www.webconfs.com/similar-page-checker.php
As far as canonical tags, that's a bit of a hairy issue. Here's how we look at canonicals:
Assuming A, B, C, and D are all duplicates,
If A references B as the canonical, then they are not considered duplicates
If A and B both reference C as canonical, A and B are not considered duplicates of each other
If A references C as a canonical, A and B are considered duplicated
If A references C as canonical, B references D, then A and B are considered duplicatesI hope that helps.
Cheers,
Joel. -
If the page is something like 90% the same then you will get a dupe error warning
Also moz report does not take into account canonical urls
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Great. We looked at the pages but the duplicate content isn't obvious....
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The report will let you what pages that its is a dupe with (where it says "Other URLs" click on the number)
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