Canonical Tag Generator & Checker
Create self-referential rel=canonical tags (single or bulk), or check any URL for a missing, self-referential, or conflicting canonical.
Fix duplicate content — and what Search Console flags
When the same content is reachable at more than one URL — tracking parameters, filters, http/https, www/non-www, product variants — search engines have to guess which one to index, splitting your ranking signals. A canonical tag ends the guessing by naming the preferred URL. The best practice is a self-referential canonical on every indexable page, which this generator produces in one click (single or in bulk).
“Alternate page with proper canonical tag”
This common Google Search Console status is not an error. It means Google found the page, saw it canonicalizes to a different URL, and indexed that canonical instead — exactly what canonicals are for. Use the Checker to confirm each flagged page points to the URL you actually want indexed. Only act if the canonical target is wrong, missing, or there are multiple conflicting tags — all of which the Checker surfaces.