Canonical URL

Definitiontechnical
The preferred URL for a page when multiple URLs serve similar content, preventing duplicate content issues.
In Brief

The preferred URL for a page when multiple URLs serve similar content, preventing duplicate content issues.

A canonical URL is the definitive version of a page URL when duplicate or similar content exists at multiple URLs. The rel="canonical" tag tells search engines which URL to index and credit with rankings. Proper canonicalization prevents duplicate content penalties, consolidates link equity, and ensures the correct page appears in search results.

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