Canonical pages

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Let's say, that on a webshop you have several pages with about the same content. E.g.:

  • example.com/bosch/
  • example.com/shop/bosch/
  • example.com/bosch-parts/

One day, you decide that e.g., example.com/bosch/ is the most important page of the three:

  • example.com/bosch/ will now be the canonical page or canonical URL
  • The other two pages are considered to be duplicates. They should have a canonical tag HTML element in the <head> section of their pages, something like: <link rel="canonical" href="https://example.com/shop/bosch/">.

The verb is canonicalisation. Like in

Canonicalisation to avoid cannibalisation