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Duplicate content on Shopify is mostly structural: the platform exposes the same product at several URLs by design. The rest is copy duplicated across stores.

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Shopify’s built-in duplication

The same product is reachable at:
Shopify canonicalises all of these to /products/trail-boot. This is correct default behaviour and generally does not need changing. What does need attention: internal links should point at the canonical URL directly. Linking through collection paths wastes crawl and sends mixed signals, even with canonicals in place.

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Other common sources

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How canonicals actually work

A canonical tag is a hint, not a directive. Google may choose a different canonical if signals disagree — for example, if internal links, sitemaps, and canonicals point to different URLs. Make the signals agree:
  • Canonical tag points to the preferred URL
  • Internal links use the preferred URL
  • Sitemap contains only the preferred URL
  • Redirects resolve to the preferred URL
Check Search Console → Pages for “Duplicate, Google chose different canonical” — that report tells you where your signals conflict.

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Supplier descriptions

The most damaging duplicate content on most stores is not structural. It is the manufacturer’s description used verbatim on hundreds of competing stores. Canonicals cannot help here — the duplication is across domains. The only fix is rewriting. See product descriptions at scale.

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What not to do

  • Do not noindex duplicates that should be canonicalised. noindex removes the page entirely rather than consolidating its signals.
  • Do not block duplicates in robots.txt and also canonicalise them. A blocked page cannot be crawled, so its canonical is never read.
  • Do not delete duplicate pages that have links or traffic. Redirect them.

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What Ryze does

Ryze detects duplicate URLs and conflicting canonicals during the audit, and ships duplicate URL resolution with approval.