This study constructs a model to predict ad attitude when AI influencers act as ad endorsers. In the results, search products and rational ad appeal have more positive ad attitude, perceived empathy and perceived expertise as mediator. These three variables can be reinforced by the consistency of ad appeals and product categories.

This study examined the effects of Web ad components on customer attitude and purchasing decisions in 300 individuals who visited family restaurant Websites. The results are summarized as follows: First, Web ad components such as content, design, and interactivity had effects on the cognitive attitudes of the customers. And design, accessibility, and Web functionality had significant effects on the customers' emotional attitudes. In addition, content, navigation, and Web functionality had significant effects on the customers' behavioral attitudes. Lastly, the cognitive, emotional, and behavioral attitudes of the customers had significant effects on their purchases. From these results, design elements such as content, color, and menus, along with user interactivity for information are considered helpful components of a food service Web ad for customer cognition of the restaurant's information. In addition, aspects of Web functionality such as the food service's Web ad set-up, or the protection of personal information, the color design and menu, as well as accessibility for easy use, are all helpful in terms of gaining a customer attitude that is friendly and preferential towards a restaurant's menu items.