An Item Group ID [item_group_id] is an attribute that can be used within a product data feed. This ID refers to a shared attribute for products with close variants. They must be unique between the products. Such variants could include sizes or colors of a specific product.
For example, clothing stores sell specific products (Parent SKU) and then have product variations. A clothing retailer with a specific summer maxi dress can use the item group for the range of colors this dress is available in. Also, there can be a range of sizes it can be purchased in.
The following countries require item group ID to be used for product variants:
Note, the item group ID should not be confused with ID. Group ID is for products with a range of close variants, whereas ID is entirely unique for a single product only.
Within Google there are a number of minimum requirements for Group ID. You will need to adhere to each in order for your products to be shown. If you’re having issues getting your products approved, you may need to check you’re following these minimum requirements.
These requirements include:
To help you make the most out of item group ID when you have the bare minimum requirements in place, you can employ the following best practices:
Overall, Group IDs are useful and required in some instances (mentioned above). However, it is worth familiarizing yourself with the requirements and best practices. Incorrect implementation of an item group ID can result in products not being shown or simply not being approved.
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