Shopify's default
All variant URLs canonical to base product URL. Automatic — no config needed. Google respects and doesn't index variants separately.
When to override
- Variant has distinct search intent + volume
- Variant page has unique content
- Marketplace requires per-variant canonical
How to override
Theme edit theme.liquid: {% if request.path contains 'variant' %}...{% endif %}. Advanced — SEO test before deploying.
Verification
Google Search Console → URL Inspection. Verify canonical is set correctly.
Frequently asked questions
How does Shopify handle canonical for variants?
Default: all variants canonical to base product URL. Prevents duplicate content.
Can I set canonical per variant?
Yes via theme edit. Advanced — verify with SEO audit.
Does canonical affect variant SERP visibility?
Yes — canonical concentrates ranking on base URL. Variants don't appear separately.
How to test canonical setup?
Google Search Console URL Inspection. Or view page source for <link rel='canonical'>.
Multiple canonical tags — problem?
Yes — Google picks one. Ensure only one canonical per page.
Canonical with UTM parameters?
Strip UTMs from canonical. Google ignores them anyway.
Canonical for hreflang variants?
Each language version canonical to itself + hreflang to other languages.
Does canonical affect Google Shopping?
No — feed uses separate item URLs per variant.
Related reading
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