Custom fields are additional product attributes that marketplaces like Google Shopping, Meta Shops, TikTok, and Pinterest often require, but WooCommerce doesn’t include by default. These fields help marketplaces understand precisely what you’re selling, match your products to the right shoppers, and increase the likelihood that your listings appear in relevant searches.
Common Custom Fields and What They Mean
- GTIN (Global Trade Item Number): A globally recognized product identifier used by Google and most major marketplaces.
- MPN (Manufacturer Part Number): Identifies a specific version or model of a product.
- Brand: Specifies the manufacturer of the product.
Other Helpful Fields Include:
- Color (Red, Blue, Black)
- Size (Small, Medium, Large)
- Age Group (Adult, Teen, Kids)
- Material (Leather, Cotton, Metal)
- Condition (New, Refurbished, Used)
These fields make your product listings more detailed and help shoppers filter products easily on Google or Meta Shops.
Example Scenario
Imagine you sell clothing online. A T-shirt without these fields might look like this in your feed:
- Title: Men’s T-Shirt
- Price: $20
But with custom fields added:
| Title: Men’s Cotton T-Shirt | Brand: UrbanWear | GTIN: 1234567890123 |
| Color: Black | Material: 100% Cotton | Size: M |
| Condition: New | Gender: Male |
This richer data helps Google place your product correctly under men’s clothing, show it in size/color filters, and boost visibility, leading to more targeted clicks and higher conversions.
Why Custom Fields Matter
WooCommerce custom fields make your product feeds more complete, helping you avoid missing information that can lead to feed rejections. They also improve accuracy by ensuring marketplaces correctly understand and classify your products, which boosts search relevance.
By meeting each platform’s requirements, your listings stay compliant and error-free. Ultimately, richer product data leads to better visibility and higher placement in shopping results.