About this video
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If you are running Amazon ads and looking at your conversion rates, you might be making a big mistake. In this video, I break down why unit session percentage alone does not tell the full story when it comes to Amazon advertising and Amazon listing optimization.
Conversion rate on Amazon is one of the most important metrics, but it does not work in isolation. You need to look at the bigger picture, including where your traffic is coming from, whether it is relevant, and how your Amazon ads are driving sessions to each listing. In this video, I walk you through real examples from Amazon Seller Central where two almost identical products have very different unit session percentages, and explain exactly why.
One of the biggest mistakes in Amazon PPC is assuming that the product with the highest conversion rate should get all the ad spend. That is not always the case. Sometimes a lower conversion rate product is actually benefiting from traffic being sent to another variation, or the traffic itself is not qualified. If you are running Amazon sponsored products, sponsored brands, or any category targeting campaigns, the quality of traffic matters just as much as the quantity.
I also cover how outside traffic sources like Meta ads can actually hurt your unit session percentage on Amazon if the visitors are not converting. This is something that affects your organic conversion rate as well, so your Amazon listing optimization and your paid Amazon advertising need to work together.
In this video you will also learn a quick 5 minute check you can do in your Amazon Seller Central account to spot patterns between your product variations. This simple process can help you find where you are wasting ad spend and where you should be increasing your Amazon ads budget. Whether you are a PPC manager, an Amazon advertising agency, or managing your own Amazon campaigns, this kind of analysis is something you should be doing regularly.
This is not about chasing the highest number on your dashboard. It is about understanding what is actually happening behind the data. Your Amazon advertising strategy needs to account for awareness campaigns, variation traffic, and the overall health of your listings. Taking a holistic look at your Amazon ads performance is what separates good account management from great account management.
Contents: 0:00 Introduction to conversion rate and traffic on Amazon 0:23 Why the highest conversion rate product should not always get all the ad spend 1:30 How outside traffic and Meta ads affect your unit session percentage 2:08 Real example: two variations with similar sessions but different conversion rates 3:07 Second example: spotting patterns between product variations 3:30 The 5 minute check to find wasted ad spend and growth opportunities 4:07 How to cut costs and increase sales with this analysis
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Transcript
Frequently asked questions
Why should you not automatically direct all ad spend toward the product variation with the highest unit session percentage?
A high conversion rate on one variation can be inflated by traffic that was actually sent to a different variation first. In the example from the video, the top-converting product was benefiting from sessions that were driven to a closely related lower-converting variation. Redirecting all spend to the high-converter without understanding that relationship would remove the traffic that was helping it perform, potentially harming both products. The numbers alone do not explain the dynamic; you need to understand the traffic flows between variations before making budget decisions.
How can outside traffic sources like Meta ads affect your Amazon unit session percentage?
Unit session percentage (the Seller Central conversion rate metric) is calculated as units sold divided by total sessions, regardless of traffic source. When you run awareness campaigns on Meta, Google, or other external channels that drive large volumes of low-intent visitors to your listings, those sessions are counted even if very few of them convert. This dilutes the unit session percentage, making an otherwise well-performing listing appear to have a poor conversion rate, which could lead to misguided decisions about pausing ads or deprioritizing that product.
How do you use the Business Reports in Seller Central to quickly spot PPC budget allocation opportunities?
Sort your Business Reports by ordered product sales for the past 30 days and compare unit session percentages across similar variations or products that receive similar session volumes. When two variations with comparable traffic show significantly different conversion rates (for example one converting at double the rate of the other), the lower-converting variation may be a strong candidate for increased ad spend because the traffic quality is already proven and the conversion gap is likely fixable. This five-minute check can reveal both overspend on low-converting products and untapped growth opportunities on high-converting ones that are currently under-advertised.
