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Canonical Tag

Glossary

The canonical tag (also called rel canonical or canonical link) is an HTML element that helps prevent duplicate content problems by specifying the “canonical” or “preferred” version of a web page.

It is useful when there are several similar copies of the same page: by indicating which version is canonical for us, we help search engines understand which version they should index and rank in search results.

In depth What is the rel canonical and how to set URL canonization What it is and how to use rel canonical to suggest canonical URLs to Google, flagging favorite pages and avoiding duplicates Read on the blog

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