Unleash Product Recommendations Revenue With A/B Testing

By Kevin Plankey

June 28, 2023


For e-commerce websites, product recommendations play a crucial role in enhancing the user experience and boosting conversion rates. However, many organizations miss out on optimization opportunities by failing to integrate A/B testing into their product recommendation strategies. In this blog post, we will explore A/B testing ideas specifically tailored for product recommendations to boost engagement and sales.

Algorithm-based Recommendations vs. Human Curated:

In this A/B test, businesses can compare the performance of algorithm-based product recommendations against human-curated ones. Algorithm-based product recommendations rely on machine learning algorithms to suggest products based on user behavior and historical data, while human-curated product recommendations involve manually selecting products that align with specific themes or trends. By measuring conversion rates, click-through rates, and user engagement, businesses can gain insights into which approach yields better results.

Different Product Recommendation Placements:

Changing the placement of product recommendations can significantly impact user interaction and conversion rates. A/B testing different positions, such as placing product recommendations above the fold, in the middle of the page, or at the end, can help identify the optimal location for maximum visibility and user engagement.

Varying Product Recommendation Display Formats:

Aesthetics and presentation play a vital role in catching the attention of users. A/B testing different display formats for product recommendations, such as a grid layout, carousel, or list view, can help determine which format drives more clicks and conversions. Additionally, experimenting with the number of products displayed per product recommendation block can reveal the optimal balance between variety and overwhelming the user.

Personalized Product Recommendations vs. Popular Products:

This A/B test involves comparing personalized product recommendations based on individual user preferences against popular products that are trending or frequently purchased by others. By understanding whether users respond better to personalized suggestions or popular items, businesses can refine their product recommendation strategies to suit their audience’s preferences and boost conversion rates.

Learn how Sun & Ski used SiteSpect to optimize their product recommendations in this case study.

Testing the Influence of Social Proof:

Social proof, such as customer reviews, ratings, or endorsements, can significantly impact purchase decisions. A/B testing the inclusion of social proof elements alongside product recommendations can provide insights into the influence they have on users. Comparing conversion rates and user engagement with and without social proof can help determine if it enhances the perceived value and credibility of the recommended products.

Looking for more resources? Check out this use case on how you can use SiteSpect to test product reviews.

Dynamic Product Recommendations vs. Static Product Recommendations:

Dynamic product recommendations update in real-time based on user behavior, while static product recommendations remain the same throughout the user’s browsing session. A/B testing these two approaches can help evaluate whether dynamic product recommendations, which adapt to the user’s preferences, drive higher engagement and conversion rates compared to static product recommendations.


Integrating A/B testing into product recommendation strategies is crucial for unlocking optimization opportunities that drive user engagement and increase sales. By breaking down silos between A/B testing and product recommendation teams, businesses can leverage data-driven insights to refine their strategies. By testing algorithm-based vs. human-curated product recommendations, different placements and formats, personalized vs. popular products, the influence of social proof, and dynamic vs. static product recommendations, organizations can optimize their product recommendation strategies and deliver exceptional user experiences. Embracing A/B testing as an integral part of product recommendation optimization will position businesses at the forefront of personalization, leading to higher customer satisfaction and sustained growth in the competitive e-commerce landscape.

Wish to speak to an experimentation expert? Let us show you how SiteSpect’s testing and experimentation platform can improve your CRO with data-backed decision-making.


Kevin Plankey

Kevin Plankey

Kevin Plankey is the Director of Demand Generation for SiteSpect and is responsible for marketing operations to include strategy and implementation of all demand generation efforts: social, email, website, organic/paid media, and event planning & promotion.

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