Canonical Tag Points to Another Page: How to Diagnose and Fix It

A canonical tag tells search engines which URL is the "master" version of a page. When a page's canonical points somewhere else, Google may drop that page from the index and consolidate its signals into the other URL. Sometimes that's exactly what you want. Often it isn't.

Legitimate reasons

• Tracking parameters or sort/filter URLs pointing back to the clean category page.
• Print or AMP-style duplicate versions.
• Syndicated content pointing to the original.

The harmful cases

• Copy-pasted templates: every page's canonical hard-coded to the homepage.
• Wrong protocol or host: canonical to http:// or a non-www version that redirects back.
• Canonical chains: A points to B, B points to C — Google may ignore the hint.
• Canonical to a broken or redirected URL.
• Paginated pages all canonicalised to page 1, hiding deeper content.

Remember: it's a hint, not a directive

Google treats rel=canonical as a strong hint and can choose a different canonical if signals conflict (redirects, internal links, sitemap URLs). Inspect the Google-selected canonical in Search Console's URL Inspection to see what it actually decided.

How to fix

1. Decide the one preferred URL for each page (https, one host, no tracking parameters).
2. Make the canonical self-referencing on that URL.
3. Make sure internal links and the XML sitemap use that same URL.
4. Avoid chains; point every duplicate straight to the final URL.

Seotific flags a canonical pointing at a broken page or at a page that itself canonicalises elsewhere as high priority, and a simple cross-canonical as informational — so you can tell intent from error.