YouTube is rolling out thumbnail A/B testing to all channels. It lets you test up to three thumbnails per video. A winner will be determined by the highest watch time. YouTube is rolling out thumbnail ...

A / B testing for thumbnails is rolling out more widely. A / B testing for thumbnails is rolling out more widely. is a senior reporter covering technology, gaming, and more. He joined The Verge in ...

YouTube is preparing to roll out a new thumbnail testing feature to creators, which means you’ll probably notice thumbnails on videos changing more often. Thumbnails are the first way in which a ...

Faces are common in thumbnails, but they are not a universal advantage. The impact looks different across niches and formats. YouTube’s native testing is built around watch time outcomes, not CTR ...