Someone clicking on an ad and landing on the site triggers a charge for a shopping ads. You’re charged when someone clicks your ad. And you’re charged only when someone clicks an ad that leads to the landing page on your website or to the Google-hosted landing page for your local inventory.
Source: All about Shopping Campaign
- Someone viewing an ad without engaging with the content
- Someone searching for an item
- Someone making a purchase on the site
- Someone clicking on an ad and landing on the site
The correct answer is: Someone clicking on an ad and landing on the site
Just like other ad formats, your Shopping ads participate in an ad auction. Product Shopping ads are charged using cost-per-click (CPC), which means you’re charged when someone clicks your ad. And you’re charged only when someone clicks an ad that leads to the landing page on your website or to the Google-hosted landing page for your local inventory. You’ll only pay the minimum amount necessary to rank higher than the advertiser immediately below you, and you’ll often pay less than your maximum bid.
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