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Do I need a canonical tag on the 404 error page?

Intermediate & Advanced SEO

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nuxeo last edited by

Per definition, a 404 is displayed for different url (any not existing url ...).

As I try to clean my website following SEOmoz pro advices, SEOmoz notify me of duplicate content on urls leading to a 404

This is I guess not that important, but just curious: should we add a cononical tag to the template returning the 404, with a canonical url such as www.mysite.com/404

?
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Francisco_Meza last edited by

You will see that in GWT. Go to GWT > Crawler Access > Remove URL. It'll de-index that 404.
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john4math last edited by

Stephen is right; there's no need for that. It's a little odd it's telling you that, I would check that these URLs that are 404ing are returning a status code of 404.
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firstconversion last edited by

no need for that ^^

I assume you no longer link to those 404 pages from your website? So on the next crawl SEOmoz wont pick up those 404s
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