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Difference between Canonical URL and Custom File Name

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  • Difference between Canonical URL and Custom File Name

    Does anyone know the difference between the new Canonical URL field and Custom File Name field?

    In addition why would someone use one over the other, etc.


  • #2
    Hi David,
    The reason for this feature is that you might have multiple products that have the same description, ie. perhaps you want to list your 10 different t-shirt colors as 10 different items, but, the description is the same. For SEO purposes, google will most likely mark 9 out of the 10 pages as duplicate. Using the canonical url field, you can force all items to specify 1 canonical url

    Gonzalo Gil
    3dCart Support
    800-828-6650 x111


    • #3
      Custom File Name will be used in creating the URL for the product. So for the tall cat house that you sell you can designate as the address for that product. Yay!

      Canonical URL is entirely different. It's purpose is to inform search engines as to the preferred address for a page, which is useful when search engines think you have content that has been duplicated across your site.

      These pages may all be the same page:

      But search engines may see that as 5 different pages. You can help fix this by specifying that page's canonical URL, for example:
      <link rel="canonical" href="" />

      ...which in human words is the same as telling a search engine:
      The actual URL for this page is, so please display the page URL in this format when showing my page in your search results. kthx.

      It's important to know that this isn't a control, but a suggestion. Ultimately the search engine can display whatever it wants. Also you can't use a canonical URL in wildly different ways; you can't say that is the canonical URL for Get real, right? That can be done with various redirects, but that's a different topic.
      - Dean P. e-commerce and small business consulting