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Technical SEO

What is a Canonical Tag?

The canonical tag tells Google which is the preferred version of a page when duplicate content exists.

The canonical tag (

    ) is an HTML tag that tells search engines which URL is the "official" version of a page. It solves duplicate content problems.

    When to use it?

  • Multiple URLs lead to the same content (with/without www, http/https, URL parameters)
  • Syndicated or republished content across multiple sites
  • Mobile and desktop versions of the same page
  • Pagination pages

Example


SEO Impact

Without a canonical, Google might index multiple versions of the same page, diluting your SEO authority. The canonical tag consolidates "link juice" to a single URL.