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Restricting Vendor on the IAB TCF Banner

Last updated on March 26, 2024

Restricting vendors on an IAB TCF banner is essential for safeguarding user privacy, ensuring compliance with data protection regulations, minimizing data exposure, fostering trust and transparency, and streamlining consent management processes.

IAB, or Interactive Advertising Bureau, is a trade organization setting technical standards for online advertising. It’s important to note that not all vendors listed are directly connected to your site or gathering data from your customers. The vendors listed in an IAB banner represent the companies involved in processing data relevant to the displayed ad.

Here’s a breakdown of what these vendors might entail:

  • Ad Tech Companies: These firms offer the infrastructure and tools for serving and managing online ads.
  • Data Providers: These entities gather and analyze user data to create audience segments for targeted advertising. This data may encompass demographics, browsing habits, interests, etc.
  • Measurement and Analytics Providers: These companies track ad impressions, clicks, and conversions to gauge campaign performance.

Observing the listed vendors provides a broad understanding of the data ecosystem involved in delivering a specific ad. However, the specific details regarding what data is collected and how it’s utilized might not be immediately evident from the banner itself.

Key considerations:

  • The specific vendors listed can vary based on the ad network, the website visited, and the advertiser.
  • The presence of a vendor in the list doesn’t necessarily imply the collection of personal data, but it does signify the potential for data processing.

Steps to restrict the vendor count

To streamline the vendor count on your site, we’ve developed a code snippet. If you’re aware of the vendors associated with your site, you can utilize the provided snippet.

  1. Add the below code snippet to your site’s active child theme’s functions.php file.
  2. Simply edit the return array, adding the codes of the vendors present on your site. This ensures that only those vendors will be displayed. To obtain the vendor codes, refer to this resource.