There are more than a dozen shopping comparison engines that a merchant can use to list products for sale. Listing products on CSEs that operate on the Cost-Per-Click model is a bit risky if the conversion rate is not monitored, as improperly generated feed files could result in wasting a lot of money on advertising products that do not convert. Traffic and conversion analysis is the key to optimizing data feed files for comparison shopping engines. While researching for data feed optimization, I came across an interesting report from Channel Advisor on "average" conversion rates for each CSE by industry. If your CSE result falls below the average shown below, your feed file needs optimization.
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