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over 8 years ago from Adam Wintle, Experienced Product Manager and Maker
It's an easy way to make large changes while still making sure your conversion rates increase. It's hard to go from A -> B with incremental changes. Once they have a winner from this test, you can be sure they will go ahead and A/B test the smaller intricacies.
While I see what you mean, I don't think there's much to be learned other than "A worked better than B" or the other way around.
You can't really say "having a more personal headline worked better", or draw any other meaningful conclusions.
You're right that its best to test small changes but they're probably just trying to confirm that conversion rates arent lower with the new design.
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A/B testing 2 wholly different things is a farce.
What will you learn? Sure, one is better than the other, but how can you tell the colours, visuals and button placement is any good if you put a wholly different message atop it? And vice versa, of course.
Just my two cents.