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Canonical URL

Definition

A canonical URL is the preferred version of a web page when multiple URLs contain identical or very similar content. It is specified using a rel="canonical" link tag in the page's HTML head.

Why It Matters for SEO

Without canonical tags, search engines may split ranking signals across duplicate URLs, weakening all versions. Setting a canonical URL consolidates link equity and tells Google which version to index.

See it in action
Try the KWDens analyzer to explore keyword density across variants, countries, and languages. Free to start.
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