What data point is most important for determining bid adjustments when optimizing a Naver Ads campaign targeting different regions in Korea?

When optimizing a Naver Ads campaign targeting different regions in Korea, the most important data point for determining bid adjustments is the Conversion Rate (CVR) for each region. While click-through rate (CTR) and cost per click (CPC) offer insights into ad visibility and cost efficiency, the conversion rate directly reflects how effectively each region converts clicks into desired actions, such as purchases, leads, or sign-ups. A region with a significantly higher CVR compared to others indicates a greater propensity for users in that area to convert, justifying a higher bid to capture more of that valuable traffic. Conversely, a region with a low CVR suggests that the current bid is not cost-effective, and a lower bid or even a negative bid adjustment might be necessary. For instance, if a campaign targets both Seoul and Busan, and Seoul consistently shows a CVR that is 50% higher than Busan, a positive bid adjustment should be applied to Seoul to increase ad visibility and capture more conversions from that region. Analyzing the CVR alongside other metrics provides a comprehensive understanding of regional performance, allowing for data-driven bid adjustments that maximize ROI.