GlossarySEO
What is "Alternate page with proper canonical tag"?
Also called: alternate page with proper canonical, alternate page canonical
Definition
"Alternate page with proper canonical tag" is a Search Console status for a URL that correctly points to another page as its canonical. Google indexed the canonical instead, and usually nothing needs fixing.
Alternate page with proper canonical tag, explained
Google's Page indexing report describes it this way: the page is marked as an alternate of another page, it correctly points to the canonical page, which is indexed, so there is nothing you need to do. In other words, your canonical setup worked. The alternate URL isn't shown in results, and its signals are consolidated into the canonical.
You'll typically see tracking-parameter URLs (?utm_source=, ?ref=), sorting or filter variants, AMP or print versions, and sometimes localized pages that point to one main version. Large numbers here are normal on sites where many URLs share content, and they're filed under "not indexed" only because the alternates themselves aren't the ones indexed.
Look closer in three cases. First, when a URL you expected to be indexed on its own is listed here, check its canonical tag: a template bug may be pointing many distinct pages at one URL, a common mistake with paginated lists or localized pages. Second, when the count is huge and growing, something is generating URLs, and those URLs are still being crawled even if they're not indexed. Third, if localized pages canonicalize to your English page, Google treats them as duplicates, and hreflang won't work as intended.
Otherwise, leave it. This status is Google confirming your canonicals are doing their job.
Why it matters for founders
Founders often read "not indexed" as a problem and start changing working setups. Knowing this status is healthy saves time and stops you from breaking correct canonicals.
Example
Search Console shows 300 alternate pages. Spot checks show they're all ?ref= links from your launch badges pointing to canonical product pages. Nothing to fix.
Common mistakes
- Trying to "fix" alternates that are working as intended.
- Missing a template bug that canonicalizes distinct pages to one URL.
- Canonicalizing translations to the main-language page.
- Ignoring a fast-growing count that signals a URL-generating crawl trap.
Sources
Checked
Related terms
- Canonical tagA canonical tag is a line in a page's HTML,
<link rel="canonical" href="…">, that tells search engines which URL is the main version when several URLs show the same or very similar content. - CanonicalizationCanonicalization is how a search engine picks one representative URL from a group of pages with the same or very similar content, and shows only that one in results.
- Page indexing reportThe Page indexing report in Search Console shows how many of your known URLs are indexed and groups the rest by the reason they aren't, like noindex, redirect, duplicate, 404 or crawled but not indexed.
- hreflanghreflang is an annotation that tells search engines which language or regional versions of a page exist, so they can show each searcher the right one. Every version must link to every other version, including itself.