Which feature helps track the success of delivery methods in campaigns?

The feature that helps track the success of delivery methods in campaigns is Channels. Channels in Marketo are used to categorize marketing campaigns based on the medium or method of communication used to reach the audience, such as email, social media, or events. By assigning a channel to each campaign, marketers can analyze and report on the effectiveness of different delivery methods in terms of engagement metrics such as open rates, click-through rates, and conversions.

This categorization aids in assessing which channels are performing well, enabling data-driven decisions to optimize future marketing efforts. Such insights are crucial for refining marketing strategies and allocating resources effectively across various channels.

Other features, like Smart Lists and Static Lists, primarily focus on segmenting and organizing contacts based on specific criteria, without directly providing insights into the performance of the delivery methods themselves. Tags serve a similar organizational purpose but are not primarily intended for tracking campaign effectiveness.