Multiple canonicals

Error severity, in the Canonicals tab

Why it matters

Conflicting canonicals are ignored by search engines.

How to fix it

Keep exactly one canonical link element.

How Crawlune finds it

Crawlune flags Multiple canonicals automatically on every crawl and lists the affected URLs under the Canonicals tab, where you can filter, inspect each page and export the list to CSV. The free version crawls up to 550 URLs with every check enabled.