Google Ads SPN, search partner network, has a 37% lower ROAS, return on ad spend, for shopping campaigns on Google Ads when compared to Google Search ads, directly. Mike Ryan wrote this on LinkedIn, saying, “SPN is a budget buy. It doesn’t convert as well, but it also doesn’t cost as much. I crunched the numbers for you, and the Shopping via SPN has a ROAS 37% lower than Google Search.”