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Grouping Product Variants

Grouping product variants in the data feed that share the same basic set of attributes can help you improve your search results.

Say you have these items in your feed:

  1. PLAIN round-neck t-shirt (size: S, colour: blue)
  2. PLAIN round-neck t-shirt (size: M, colour: blue)
  3. PLAIN round-neck t-shirt (size: L, colour: grey)

These are indeed three different products, and when looking for “round-neck t-shirts”, the three would show up in the search results:

However, you may prefer the user to obtain just one PLAIN round-neck t-shirtt search results with all three variants of colours and sizes available in the facets’ panel of your search results.

This way, when the user looks for a “round-neck t-shirt", only one “PLAIN round-neck t-shirt” result is shown, but “blue” and “grey” colours and “S”, “M” sizes are available at the facets panel.

Group variants as a single item

Using Doofinder, you can set this up in the following simple steps:

1.Go to Search Engines > Settings > indices > indexing options of Doomanager and select the “Group variants as a single item” checkbox in the pop-up window and click save.

2.Ensure the products you want to be grouped share the same item_group_id field in your data feed.

You’re good to go!

Using the item_group_id

Alternatively, you may use the de-facto standard by Google from the data feed: the item group id. Through this, all items with the same item_group_id attribute are considered variants of the same item.

Consequently, when you check the “group products by item_group_id”, all products that share the same item_group_id attribute are displayed as one product only in the search results. Still, all their variants (like colour or size), if defined as facets, are displayed in the facets panel.

📌 Note: If you are indexing through API, make sure the value for `item_group_id` is a string.

Follow the leader! Marking an item as the “group leader.”

If there’s an item with the field df_group_leader set to either “true” or “false”, that item will be chosen as the group representative in search results (if there are no other relevant sort criteria involved).

📌 Note: If you’re using the API, you need to set a pure boolean value for `df_group_leader`, either true or false.

Lastly, the field name could be in two formats:

Text Format

Grouping items: For product type feeds, you can use both item group ID, df_grouping_id. The latter will work for every data type (not just the “product” data type).

Marking an item as the group leader: You use the df_group_leader field.


XML Format

Grouping items: For product type feeds, You can go with df_grouping_id. This will work for every data type (not just the “product” data type). Marking an item as the group leader: You need to use df_group_leader. Below you can download some examples to see how it works.