Custom fields in WooCommerce often store important product details that don’t appear in standard fields, such as SKU alternatives, technical specs, compatibility info, or internal metadata.

By default, WooCommerce doesn't search custom fields. If a customer searches for a value stored in a custom field, a product won’t appear in search results unless the same value is stored in standard fields like the product title or description.

Because of this limitation, many store owners seek to include custom fields in the search process.

Why Search by Custom Fields?

Making custom fields searchable can improve the shopping experience by:

• Allowing customers to find products using detailed or technical criteria
• Supporting stores that rely on structured or hidden metadata
• Improving usability for catalogs with specialized or niche products
• Surfacing products that would otherwise remain hard to find

For some stores, excluding custom fields from the search process would make it ineffective and even harmful, leading to missed sales opportunities.

Ways to Enable Custom Field Search

There are two main approaches to making custom fields searchable in WooCommerce:

• modifying search behavior with code
• using a dedicated search plugin

Code-Based Approach

One option is to extend WooCommerce’s search logic so it includes custom field data when searching products.

This approach can be used to:

• include specific custom fields in search queries
• define how those fields influence results
• create advanced or conditional search logic

However, it also comes with trade-offs:

• requires familiarity with WordPress and WooCommerce development
• increases complexity of your site’s codebase
• may need ongoing updates as plugins or themes change

For store owners without development resources, this approach often isn't feasible.

Plugin-Based Approach

Using a search plugin is usually the more practical solution for most WooCommerce stores.

Search plugins can:

• index custom field values alongside standard product data
• incorporate those values into search queries
• balance relevance between titles, descriptions, and custom fields
• enhance overall search performance and usability

This method avoids custom coding while still allowing customers to search by custom field values.

Elevated Product Search for WooCommerce

Elevated Product Search for WooCommerce lets you search by custom field values simply by selecting custom meta fields in the Product Search Settings, as shown below:

Once enabled, you can search custom fields the same way you search other data:

Final Thoughts

WooCommerce’s default search only covers a limited set of product data, which means custom field values are typically ignored unless they also appear in standard content like the product title or description.

For stores that rely on metadata such as technical information, alternate identifiers, or compatibility details, this can create a gap between how products are stored and how customers search for them.

To close that gap, store owners can extend search behavior with custom development or by using a plugin that can include custom field values in the search index. While code can offer flexibility, a plugin is often faster and easier, with fewer risks than custom development.

If custom fields play an important role in your catalog, making them searchable can lead to more accurate results and a better overall shopping experience. Elevated Product Search for WooCommerce is one way to do this without directly altering the WooCommerce search code.

Other options can be found in our article, 5 Best WooCommerce Product Search Plugins.