Check a page's canonical tag to ensure it exists, points to the preferred URL, and helps search engines avoid duplicate content.
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Identifies missing canonical tags so you can set a preferred indexing page and protect against duplicate content.
Flags pages with multiple canonical tags, preventing conflicting indexing signals to search engines.
Highlights canonical tags with missing or empty href attributes so invalid tags can be cleaned up or fixed.
Identifies canonical tags pointing to a URL different from the current destination page, allowing you to quickly verify canonicalisation or intentional URL consolidation.