Ignore it if
Google's choice is a URL you'd be happy for people to land on.
You told Google which URL is the main version, but Google decided another URL is a better fit and indexed that one instead. Canonical tags are a hint, not a command. Google overrides them when your other signals, like internal links, sitemaps and redirects, point somewhere else.
What Google says
This page is marked as canonical for a set of pages, but Google thinks another URL makes a better canonical. Google indexed the page it considers canonical instead.
Paraphrased from Google's Page indexing report helpCauses
Triage
Google's choice is a URL you'd be happy for people to land on.
Google chose an old URL, a parameter URL or a copy on another site.
The pages are meant to be different and should rank separately.
Fix
Check any single URL with URL Inspection. After fixing, open the issue in the Page indexing report and click Validate fix; Google says it typically takes up to about two weeks.
On Blogizi
On a Blogizi blog, the canonical tag and the sitemap use the same public address for each post, so the two don't send Google mixed signals.
Index checks for every post are part of Pro, $19/month with a 7-day trial for $0. Your AI agent can read the same statuses over MCP.
FAQ
Because it's a hint. If your links, sitemap or redirects point to another URL, or the other URL is simply stronger, Google can pick it instead.
Usually, once it recrawls both URLs. Use Request indexing on your preferred URL and Validate fix in the report, then give it a few weeks.
No. Google groups duplicates and shows one. There's no penalty, but the URL that gets shown may not be the one you want.
Related statuses
Post not on Google at all? Start with why isn't my blog post on Google, or browse all 9 statuses.
Last reviewed October 19, 2026