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Duplicate without user-selected canonical: what does it mean and how to fix?

The error "Duplicate without user-selected canonical” indicates that Google found duplicate URLs that are not canonicalized to a preferred version. Google didn't index these duplicate URLs, and assigned a canonical version on their own.

Here's what this error looks like in Google Search Console:

If you've got a eCommerce site that also contains downloadable PDFs with the exact same product information as what's shown on product detail pages, you'll often find that Google has decided to canonicalize the PDFs to the product detail pages.

You've got your hands full with the competition. Find all the duplicate content on your site, and start fixing right away!

How to fix this issue

Should these pages even exist? If the answer to this is no, simply remove these pages and return a HTTP status code 410.

If these pages have a purpose, then ask yourself whether they carry any value:

  • If yes, then canonicalize them to the preferred version of the URL. Need some inspiration where to canonicalize to? See which URL Google finds most relevant using the URL Inspection tool . If Google's listing PDF files for your site, canonicalize them through the HTTP header.
  • If these pages don't carry any value, then make sure to apply the noindex directive through the meta robots tag or X-Robots-Tag HTTP Header.
Read the full Academy article to learn everything about Find and Fix Index Coverage Errors in Google Search Console
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