Canonical Link to the Original Source for Republished Posts
Points the canonical tag of a post to the URL in its "original_url" custom field, for articles first published elsewhere, so the original keeps the search credit.
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Point the All in One SEO Canonical to an Original Source
Uses a URL stored in a custom field as the canonical link on republished posts instead of All in One SEO's default.
Point the Yoast Canonical to an Original Source
Uses a URL saved in a custom field as the canonical link on posts republished from another site, overriding Yoast's default.
Rank Math Canonical From an "Original URL" Field
Replaces the canonical URL with one saved in a custom field on posts republished from elsewhere.