In recent years, as the online retail industry has become more active and dynamic, a marketing strategy known as “personalization” has attracted increasing attention. In Japan, several ecommerce malls, such as AEON and Rakuten Ichiba, have introduced customization features. While this approach, which aims to let customers experience the convenience of an online store, offers numerous benefits to its operators, many businesses still have doubts about why it is important or is necessary to begin with. This article will explain the basics of personalization, why it matters, its advantages, and key considerations.

What’s in this article?

• What is personalization?
  
• The importance of personalization on ecommerce sites
  
• Examples of personalization in ecommerce
  
• Advantages of personalization strategies in ecommerce
  
• Challenges when implementing personalization
  
• How Stripe Checkout can help
  

What is personalization?

Personalization means adjusting or enhancing something for an individual. In ecommerce, an increasing number of brands are adopting customization as a marketing approach to provide information and experiences tailored to individual users.

A web shop that uses personalization works not just as an online store, but also as a sales associate in a physical store. In other words, by suggesting products and services that a shopper is currently looking for at just the right time and in the right way, the likelihood to purchase rises.

For personalization, data analysis draws on the following attributes to deliver content suited to each shopper’s needs:

• Age
  
• Interests/preferences
  
• Previously purchased items
  
• Browsing history on the site (searches, page views, purchases, etc.)
  

The importance of personalization on ecommerce sites

Why is personalization so valuable for ecommerce sites? Let’s take a look at each reason:

Rapid growth in the ecommerce market

The ecommerce market continues to grow year after year. According to figures from the Ministry of Economy, Trade and Industry, the sector’s size for consumer-facing electronic commerce transactions in Japan in 2024 was ¥26.1 trillion, a 5.1% increase from the previous year’s figure of ¥24.8 trillion.

With the spread of online stores, shoppers now have a wide variety of options and can easily find one that best suits their preferences. In this environment, personalization helps ecommerce businesses stand out from the competition and become profitable. Using personal tailoring to review consumer behavior and trends—and applying those insights to marketing efforts—helps strengthen differentiation from competitors and create added value. In turn, this approach attracts new customers and helps retain existing ones.

Changing customer needs

Values are shifting from “consumption of goods” to “consumption of experiences.” To put it simply, rather than finding satisfaction in owning items, people now tend to derive joy from experiencing and engaging with things.

For this reason, personalization plays a central role in creating websites where customers find value not only in product quality but also in the shopping experience of the store itself.

Simplification of data collection and analysis

With advances in information technology, it has become much easier to collect, process, store, and transmit high-precision data.

In the past, manual processes made this kind of record gathering and analysis highly inefficient. Today, using customization features effectively can generate profits that far exceed the costs of implementation and assessment.

Examples of personalization in ecommerce

Personalization helps boost profits and reduce customer churn. Let’s take a look at some specific cases:

Recommendation ads

This method delivers banner ads tailored to a shopper’s interests and preferences based on their attributes and website visit history. Targeting these promotions to audience groups with clear demand improves conversion rates.

Recommendations displayed on the site

Using the customer’s browsing, search, and purchase record, the system will display product and service details matched to their needs. This recommendation strategy also helps you effectively implement cross-selling (a technique for increasing the average order value by suggesting related items).

To illustrate, when a shopper is looking at smartphones, suggesting the case for that particular model increases the likelihood of purchase.

Recommendation emails

A recommendation function sends emails adjusted to each customer. As the content becomes more personalized, for example, notifications about sales or restocks of inventory saved to the shopper’s favorites—or suggestions based on their search history—the success rate of the recipient actually opening the email rises. Beyond making proposals, these emails can notify users of point balances and expiration dates, and remind them about goods left in their cart to reduce cart abandonment.

Agentic commerce

Agentic commerce enables an AI agent to act as a buyer’s representative, handling everything from item searches to purchases. In other words, an AI agent manages the entire process from product discovery through checkout.

Agentic commerce incorporates a certain degree of autonomy. As a result, businesses aim to review customer data and understand their preferences to refine each buyer’s shopping experience.

Advantages of personalization strategies in ecommerce

What are the upsides of adopting personalization strategies on ecommerce sites? The five main benefits are:

Prevention of customer churn

If customers feel that an online store is cumbersome or unpleasant after just one bad experience, they might leave it. If tailoring approaches enable you to provide people with the content they need at the right time, they will recognize the site’s convenience, which helps prevent them from leaving.

Increase in potential customers’ intent to purchase

Some prospective buyers might visit your online store, but can’t figure out what they want to buy. Personalization strategies enable companies to present relevant info to these visitors based on their browsing history and other signals, effectively guiding them toward making a purchase.

Increases loyalty in existing customers

Suggesting items that feel highly suitable to existing customers can raise satisfaction and strengthen positive sentiment toward your ecommerce site. In turn, it drives higher repeat visits and purchases. As more data accumulates, personalization reduces irrelevant content and delivers increasingly relevant details.

Enables efficient marketing

Another upside is the ability to implement effective marketing efforts. Methods developed based on personalization measures are targeted at people who are already interested in the company’s online store, rather than the general public, making it easier to see results.

Improves brand image

Implementing personalization to provide customers with a better shopping experience will enhance the perception of your products and services, as well as the overall brand image of your online retail operation. Because an improved brand reputation increases conversion rates, it helps differentiate your business from competitors.

Challenges when implementing personalization

While personalization strategies bring a variety of benefits, it is also valuable to be aware of the challenges and potential problems they can create.

Risk of biased information

Sometimes, the information provided to customers can be biased. If they are repeatedly shown the same ads or receive similar emails, they might become frustrated and leave the page or file a complaint.

Timing determines the desire to purchase

Customers’ preferences, interests, and the items they want to buy often change over time for various reasons. It is therefore important to understand that, at times, it could be unclear whether a buyer is actually looking for that product at that moment. For instance, if a business uses data to identify shopper preferences and provides the right content, that shopper might still not show interest due to timing.

It is always best to use the most up-to-date details to ensure that personalization does not cause negative or unwanted effects.

How Stripe Checkout can help

Stripe Checkout is a fully customizable prebuilt payment form that makes it easy for you to accept payments on your website or application.

Checkout can help you:

• Increase conversion: Checkout’s mobile-optimized design and one-click checkout flow make it simple for customers to input and reuse their payment information.

• Reduce development time: Embed Checkout directly into your site, or direct customers to a Stripe-hosted page, with just a few lines of code.

• Improve security: Checkout handles sensitive card data, simplifying PCI compliance.

• Expand globally: Localize pricing in 100+ currencies with Adaptive Pricing, which supports 30+ languages and dynamically displays the payment methods most likely to improve conversion.

• Use advanced features: Integrate Checkout with other Stripe products, such as Billing for subscriptions, Radar for fraud prevention, and more.

• Maintain control: Fully customize the checkout experience, including saving payment methods and setting up post-purchase actions.

Learn more about how Checkout can optimize your payment flow, or get started today.