Duplicate Page Content & Rel-Canonicals

[ironpac]

The SEO Moz duplicate page content tool lists the following URL's as having duplicate content:

http://www.savvyboater.com/1988-newer-8-tooth-15-hp-honda-outboard-props.aspx

http://www.savvyboater.com/1988-newer-8-tooth-15-hp-honda-outboard-props.aspx?sort=PriceAsc&pi=2

The second URL is the price sorter/second page of the category and contains the following rel-canonical:

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http://www.savvyboater.com/1988-newer-8-tooth-15-hp-honda-outboard-props.aspx">

Are we using the rel-canonical correctly in this case? If so, why does it continue to show up as duplicate content in our SEO Moz report? There are over 1,000 URLS listed in the report with the exact same issue.

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[blu42media]

Hi Jim-

Yes, your canonical usage is correct, though you should also consider using a meta robots tag with "noindex" so your filtered pages don't show in the search results.

-John

[Gamer07]

You should use a robots.txt file and disallow "sort" parameters.

Such as:

Disallow: /*sort=