Shift More Tests Toward Carousels
The overall ER is 0.19%, versus the 2.5%-5% micro benchmark; Posts ER is 0.44%, while Reels ER is 0.16%.
Details
Prioritize carousels, which have a 0.55% benchmark ER, and compare each carousel against the 0.44% post baseline while adding a final-slide question to encourage comments above the 2.0 median.
