Make Carousels the Test Priority
The overall ER is 0.07%, compared with the 0.5-1% macro benchmark; in the 27-post sample, Reels ER was 0.04% versus 0.1% for posts.
Details
Carousels should be the next test format, since the 0.55% carousel benchmark exceeds the 0.52% Reels and 0.45% static-image benchmarks, using a first-slide hook, detail slides, and a final question.
