Conversion Optimization

11 Secrets behind Amazon’s high-converting product comparison charts

Customers hate doing the research to pick the best products. Make it easy for them with a solid product comparison chart. Here's how to create an amazon-like product comparison chart that converts.

11 Secrets behind Amazon’s high-converting product comparison charts

Customers want the best products for their needs. In physical stores, it's easy—a salesperson assists them in making a quick buying decision. But it’s not so for online shoppers. 

Online, customers are left wondering, “Which of these products is the best for that specific need?”

If you don’t want shoppers to buy elsewhere, on-site product comparison can work the magic for your brand. That’s why Amazon uses it.

Sixty-six percent of consumers start their product search on Amazon and 74 percent of these searchers return to Amazon to buy.

In this article, we’ll look at 11 best practices to follow when creating a product comparison chart (used by the eCommerce giant themselves). 

1) Make it intuitive to compare

Amazon product comparison is pretty straightforward.

The shoppers don’t have to dig through its overwhelming categories to compare products. They could quickly do this by clicking compare with similar items below the product description.

direct link to compare products

Amazon auto-populates the comparison chart with three other best similar items, saving customers the stress and time of finding products to compare.

Here are the top three things we love about this strategy:

  • Customers don’t have to waste time thinking about the products to compare.
  • The auto-populated chart takes care of inexperienced shoppers and could get them going in an instant.
  • By placing the comparison link directly after the product description, Amazon makes it easily accessible.

2) Don’t miss any product detail 

Amazon comparison parameters are comprehensive.

From specs to prices, Amazon covers every detail about each product that’ll allow customers to make informed decisions. 

Amazon shows additional information for just the main product, not the similar items—like warranty, customer reviews, and best sellers rank—below the comparison chart. 

Amazon comparison parameters

It also shows the product’s technical details like the manufacturer, model number, color, product dimension, and others.

Shoppers could easily see this additional information for the other similar items by navigating to the product pages and comparing them.

Here are some of what we love here:

  • The product comparison details are broad and completely covering.
  • You never know what each customer cares about, so Amazon always has every detail that’ll enable shoppers to compare the products on the charts thoroughly. 
  • By spotlighting the main product, Amazon keeps the shoppers focused and made the product comparison chart less overwhelming.

3) Showcase your social proofs clearly

Eighty-eight percent of consumers trust user reviews as much as personal recommendations.

Amazon probably understands this. They display the ratings and the number of reviews for each product to make it easier for customers to pick the best out of the lot. 

Amazon showcasing social proof on the product comparison chart

The product comparison page also contains some third parties’ video reviews, and Amazon also makes it intuitive for users to upload theirs.

video reviews of the product on Amazon

Here are some of what we love here:

  • The rating helps build trust.
  • It validates and simplifies the buying decisions.
  • Shoppers can easily dig into the ratings to learn the percentage that finds the product unsatisfactory.
  • The video reviews from third-party websites make the buying decisions more seamless and trust-based.  

4) Tag bestsellers to help customers take a quick decision

Amazon tags their best sellers to guide their shoppers in making the right decisions.

Amazon tags their best sellers to guide their shoppers in making the right decisions.


They also rank the products in specific categories (for example, #3 in electronics, #4 in furniture).

Best Sellers Rank

The Best Sellers Rank is an indicator of how well a product is selling in the categories and not in relation to the similar items.

Here are what we love about this strategy:

  • The tags give shoppers a quick glimpse of the best-selling products, making purchase decisions easier.
  • The best seller ranks enable shoppers to know how the products are performing in specific categories.
  • It removes the guesswork from buying decisions.

5) Make buying easy with a direct & clear CTA

Call-to-action helps marketers to guide visitors through the buying journey.

Use a visually salient CTA button to make checking out effortless. Avoid using unnecessarily large lettering or CTA buttons in the comparison chart in a bid to make them stand out. It makes them look pushy and threatening—shoppers have a distaste for such things.

Consider making the CTA button sticky when shoppers scroll the chart. It helps the CTA button stay on their faces all the time without being intrusive.

Amazon uses a CTA button to usher shoppers to the next action. They have an “Add to Cart” CTA button under each product, allowing customers to checkout faster from the comparison chart without navigating to the product page.

A direct & clear CTA on Amazon's comparison chart

Here’s how it looks clicking the Add to Cart button.

Here are what we love about Amazon’s product comparison chart’s CTA button:

  • Amazon uses the right contrast color to make the CTA the most prominent element on the chart.
  • The CTAs are clutter-free; it’s clear, concise and to the point.
  • It’s actionable and intuitive.
  • The CTAs’ placements make them easily accessible.
  • The straightforward checkout saves shoppers unnecessary steps and details.

6) Keep information unbiased and non-Pushy

Yes, Amazon is a marketplace for almost every product. But the best part about their product chart is that they don’t pitch any single product; they let the customers decide based on their needs and interests.

Here are some of what makes them unbiased:

  • The ratings are from customers.
  • The video reviews are from third-party websites.
  • Amazon displays the sellers’ names on the comparison charts and the links to their Amazon stores.
  • They update the Sellers Rank hourly based on Amazon sales.

7) Think customer first navigation

Amazon adds customer ratings to the comparison chart to make screening faster for the shoppers, but you could extend this idea by adding some of the latest customer reviews to each of the compared items.

Amazon shows customer reviews for the primary products, meaning shoppers have to navigate out of the comparison chart to the product page of any of the other three compared items to read the reviews.

easy navigation to customer reviews

Navigating in and out of the comparison charts to read reviews for the other compared items could discourage some shoppers or might make you lose engagement with shoppers. 

Another setback with this arrangement is that Amazon auto-populates a new comparison chart when shoppers navigate to a product page. As a result, shoppers have to rely on the back button to access the original chart to continue comparing products. 

For instance, here’s the original comparison chart we got when we compared the first product in the image below.

To read reviews of the blue-colored hard drive, shoppers have to navigate to its product page, and Amazon pre-populates the comparison chart with different products, as seen in the image below.

easy navigation to product page

Shoppers have to use the back button to get back to the original chart. The only reasonable way to sidestep this is to open the reviews in different tabs. But then, you’d have to switch tabs to compare the reviews—this clicking around dampens the user experience.

But you could streamline this process by adding some reviews under each product in the chart.

That structure would work for these reasons:

  • It helps shoppers compare reviews on the fly.
  • It saves shoppers the stress of having to navigate around to read reviews.
  • It helps retain and convert shoppers right on the comparison chart.

8) Bundle products that go well together

Existing customers are enormous assets to eCommerce brands.

Adding a “Usually Bought Along With,” “Customer Also Bought,” or “Frequently bought together ” offers sellers the opportunity to upsell or cross-sell shoppers to increase their average order value.

A study found that upselling increases revenue by ten to 30 percent on average, and it’s 68 percent more profitable than acquiring new customers. On average, about 70 to 95 percent of the revenues of companies that offer upsells come from upselling and renewals.

Adding this section to the product comparison page could help shoppers refine their choices or become aware of needs they don’t know they have. 

Amazon's product bundling

Shoppers buying an external hard drive might not know they need a pouch to carry it around safely. Having this section and upselling them the pouch could make the shoppers aware of this need.

Here are what makes having this section an excellent idea:

  • It could help eCommerce brands improve sales and average order value.
  • It’s easier to sell to existing customers than getting new ones.
  • It could help shoppers be more self-conscious of their needs.
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9) Remember the magic number 3

Cutting down noise makes the product discovery experiences seamless.

A good product comparison chart engages visitors, roping them in with clear and easily understandable information. If shoppers can’t differentiate products on the charts, getting them to buy could become tricky.

Use three columns to make the comparison chart less overwhelming.

three columns to make the comparison chart less overwhelming

Research found that words grouped into three are more appealing and easier to remember. The human brain can efficiently process up to three ‘chunks’ of information in our short-term memory, and it’d need to work harder for anything above that.

The Prägnanz law also gives credence to the above assertion—the law states the human mind deconstructs complex and ambiguous images into simpler forms to understand and act on them.

Three is the magic number, but four to five columns are not bad either.

Here are why keeping it simple works:

  • The human mind requires much effort to process complex information.
  • Having three to five columns makes the chart less overwhelming and noisy.
  • Shoppers love websites that are easily comprehensive, clutter-free, and without distractions.

10) Address shopper’s concerns using FAQs 

What happens when shoppers run into questions while comparing products?

Navigating out of the comparison page for answers shouldn’t be an option because some might not return. More than half of U.S adults said they might abandon a site if they can’t find an answer to a question.

So make it effortless for shoppers to find answers.

Adding a FAQ section to the comparison page could help them quickly resolve their issues without overwhelming customer service. 

Amazon uses user-generated FAQs to address shoppers’ concerns.

Amazon's FAQ section

Here are why it makes sense to use FAQs on the product comparison page:

  • It helps shoppers compare products to find answers immediately.
  • FAQs makes customer service self-directed—helps shoppers quickly find help, reducing over-dependence on the customer service team.
  • It improves user experience.
  • It creates a sense of trust for brands and could make website visitors feel more confident about doing business.

11) Eliminate Guesswork With A/B Tests

A/B testing your product comparison charts

A/B tests the chart to find what works for the shoppers. And here’s how to do it the right way.

Why A/B testing the comparison chart works:

  • It eliminates guesswork.
  • A/B test helps brands deliver product comparison experiences shoppers find helpful.
  • It helps businesses identify growth opportunities.
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To summarize

Ready to follow in the footsteps of Amazon and build a killer comparison chart? Then action these ten high-converting ideas to transform your eComm product comparison chart into a conversion machine.

  1. Add customer reviews to make product screening faster.
  2. Upsell shoppers to increase their average order value and drive more sales.
  3. Use between three to five columns to make the comparison chart sweet to the eye.
  4. Enable shoppers to find quick answers with a FAQs section.
  5. Use live chat to provide real-time support and guide shoppers to quick conversions. 
  6. Make the CTA buttons easily accessible and intuitive.
  7. Drive more conversions with smart discounts.
  8. Use free shipping to entice shoppers
  9. A/B tests the comparison chart to eliminate the guesswork—use an A/A test to ensure the accuracy of the A/B test.
  10. Use customer surveys to listen to customers.

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