A wrong or missing canonical splits one page's ranking and AI-citation signal across every filtered, sorted, and variant URL. Check any page in seconds.
Any page works — product, collection, blog post, or homepage.
Leave blank and we'll add a test parameter for you (?sort_by= on collection pages, ?variant= elsewhere). It's only there to test how your site handles duplicate URLs — not a real filter.
Yes, completely free. Enter a page URL, then verify your email with a quick code to unlock the full report — we'll also send you a copy.