Comparison Shopping Services

In countries that are part of the European Economic Area (EEA) and in Switzerland, merchants participate in Shopping ads through one or several Comparison Shopping Services (CSSs) of their choice. Some CSSs manage product data and campaigns on behalf of the merchant, while others provide tools allowing merchants to manage their setup themselves.

Learn more about CSSs here.

Video resources for merchants:
Video: Advertising with Comparison Shopping Services
Video: How the Shopping ad auction works

Video and webinar resources for CSSs:
Video: Participating in Shopping ads as a CSS
Video: How the Shopping ad auction works
Video: Use the Shopping API Technology to manage inventories
Webinar: Policy and feed maintenance
Webinar: Feed optimization

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