Optimization scores in Google Ads will, at this moment, add shopping campaigns and search campaigns.
Google Ads will give each campaign type and rating a separate rating.
Shopping campaigns range from 0-100%. A 100% rating means your campaign is optimized to reach its full potential.
In addition to optimizing for conversions, Google ads also provide placement recommendations for each campaign.
This update includes new promotions such as upgrading to Smart Shopping campaigns and increasing vendor ratings.
According to Google, advertisers increased their conversion rates by an average of 10%, increased account optimization by 10%.
Optimization results are available on the Recommendation tab of Google.