What key metric should be tracked when implementing A/B testing on listing titles to avoid accidentally *decreasingyour overall conversion rate?

When implementing A/B testing on listing titles, the key metric to track to avoid accidentally *decreasingyour overall conversion rate is the *'relevance-adjusted click-through rate' (CTR) and its impact on the 'add-to-cart' rate. Standard CTR only measures the percentage of impressions that result in a click, without accounting for the quality of those clicks. A high CTR alone can be misleading if the clicks are coming from buyers who are not actually interested in purchasing the item. Therefore, it is crucial to assess whether the new title attracts buyers w....