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Adding GTIN, ISBN & MPN Schema to WooCommerce Products Using Rank Math

Let us have a look at what is GTIN, ISBN, and MPN first.

What is GTIN?

GTIN stands for Global Trade Item Number. It is developed by GS1 and is used as an identifier for trade items. These identifiers act as lookup product information in a database. GTIN helps to identify which product in one database corresponds to which product in another database due to its uniqueness. 

Rank Math has made this all simple for you and if you are getting any warnings or error in Google Rich Results tool or your Google Search Console – you can add the GTIN, MPN, ISBN values using Rank Math and solve the issue.

In your dashboard WooCommerce settings you will find a Global Identifier tag.

Note: This option is only available in Rank MathPRO.

WordPress Dashboard > Rank Math > General Settings > WooCommerce

global-identifier-option

This is how your product page will look if you set this label.

gtin-value-frontend

In the Global Identifier drop-down list, you can select your Unique Product Identifiers from the drop-down list. If you set Show Global Identifier, then it will display the Global Identifier on the Product page.

global-identifier-dropdown

Let’s take a close look at each of the identifiers that are available:

  • GTIN-8: It is a code that is used for small items usually 8 digits.
  • GTIN-12: It is the most common code which is used in North America of 12 digits.
  • GTIN -14: It is a 14 digit number used to identify trade items at various packaging levels.
  • ISBN: Full form of ISBN is International Standard Book Number. As the name suggests it is used for books.
  • MPN: Full form of MPN is Manufacturer Part Number. These are generally found on the machines and hardware that comprises of different parts.

You can make use of any Global Identifier key from the list to use in your Product Schema.

How to set a GTIN code for a product?

In order to set a GTIN code, you need to go to the product editor page. Open the Inventory tab. Fill in the GTIN field that is present.

gtin-option-backend

Make sure that you provide the correct number for the product and its variations. For example, if you are selling jeans in different sizes, then you need to add the GTIN for each of the jeans.

With the help of Rank Math, adding GTIN has now become very easy and hassle-free work. If you see a missing GTIN warning in the Google Rich Results test, then this option can be used to add a Schema-ready GTIN value and get rid of any warnings that are related to GTIN.

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