From Sold Out to Opportunity:
How to Turn Out-of-Stock Products into Sales

What Are the Risks of a “Sold Out” Message?

Picture this: a user clicks on a sneaker ad they’ve been eyeing for weeks. They land on the product page with a high purchase intent — only to see a “Sold Out” message, with no alternatives or alerts.

What happens next? They close the page. Your ad budget is wasted, and you lose a potential customer. Worst case? They end up buying from a competitor.

And this isn’t just an isolated scenario — poor stock-out management triggers a chain reaction of negative effects, as confirmed by multiple industry studies.

This is confirmed by data:

• 88% of users are less likely to return to a website after just one bad experience. A “Sold Out” page with no alternatives or guidance is exactly that — it hurts trust and reduces the chance of a future visit.
  (source: Google – https://www.thinkwithgoogle.com/intl/en-emea/marketing-strategies/app-and-mobile/website-user-experience-how-convert-customers-and-get-them-visit-again/)
• 53% of shoppers say that product availability is one of the top three reasons they pick an ecommerce site. That’s why avoiding “out-of-stock” scenarios is strategically critical — especially since they often happen at the most decisive stage of the purchase journey (source: KPMG, Consumer Pulse Survey, 2023).

The numbers make it clear: a poorly managed “Sold Out” page is an open door to competitors—and a direct hit to customer trust.

But with the right strategy, that page can go from being a lost sale to a powerful chance to boost conversions and build loyalty. In this article, we’ll cover 3 essential best practices (plus one bonus tip) you can start using right now to turn “Sold Out” pages from dead ends into fresh purchase opportunities for your customers.

3 Strategies to Handle Ecommerce Sold-Outs the Right Way

1. Show Similar Alternatives

The first rule when trying to win back a user on a sold-out page is simple: don’t leave them hanging — their buying intent is still there. The key is to immediately guide them toward a relevant alternative before they leave.

But this is not about showing a generic list of “related products.” The goal is to suggest truly relevant alternatives—items that align with the user’s original intent.
There are two main ways to do this:

a. By Purpose of Use

If a user is looking for a product to fulfill a specific need, the first step is to show other items that meet the same need — or come as close as possible. For example, if a particular running shoe model is sold out, the system should automatically suggest alternatives within the catalog with similar technical features (e.g., another long-distance running shoe, the same type of drop, or a newer model that represents its evolution).

b. By Visual Attributes (Visual-based)

In industries like fashion, beauty, and design, purchase decisions are driven by a mix of visual attributes (style, color, pattern) and material or composition (fabric, key ingredient, texture). Ignoring any of these means missing a core part of what customers are looking for — and losing a conversion opportunity.

For example, if the sold-out item is a blue striped t-shirt, the system should automatically show other t-shirts with similar visual features (e.g., same color palette, matching pattern, similar cut). The key is to prioritize suggestions that share the same key attributes — whether visual, material, or functional — as the sold-out product, turning the user’s frustration into a new discovery and potentially an immediate conversion.

Automation for recommendations follows two main approaches.

• The first one — and more common — approach uses rule-based systems that rely on catalog attributes. This means showing alternatives based on factors like color, material, price range, or commercial categories such as “New Arrivals” and “Best Sellers.”
• The second approach leverages Artificial Intelligence, which goes beyond manual tagging. These tools analyze the product as a whole (images, texts) to understand its style and context, offering more relevant suggestions even when the items don’t share the same preset attributes.

2. Turn Waiting into a Lead with Wishlists and Notifications

Sometimes, users aren’t interested in alternatives—they want the sold-out product and nothing else. Offering no options here likely means losing them for good.
The strategy here shifts: instead of pushing for an immediate sale, you aim to capture the customer’s interest and convert it into a future purchase.
In these cases, the product page needs to provide a simple and clear way to stay connected.
The two most effective tools for this are restock notifications and wishlists.

a. Restock Notification: “Notify Me When Available”

Notifications are the most direct and effective way to keep users engaged. Rather than showing a disabled “Add to Cart” button, it’s better to replace it with a clear, prominent call-to-action like “Notify me when available” or “Be first in line!”.
Once clicked, this CTA should open a form with as few fields as possible — ideally, just the email address.

b. The Wishlist

Adding a product to a wishlist is an easy, low-effort action for users, allowing them to save an item they’re interested in.

For ecommerce, wishlists hold a high strategic value: they help identify the most desired sold-out products, making it easier to prioritize restocking. Additionally, when combined with targeted notifications (e.g., “Good news! An item in your wishlist is back in stock”), they become a powerful remarketing tool.
Implementing these features offers three key benefits:
1. Converts visitors into qualified leads by collecting contacts with high purchase intent;
2. Provides valuable demand data to better plan restocking;
3. Creates a targeted, anticipatory communication channel that boosts conversion potential.

3. Save the Sale with Cross-Selling

This third strategy moves away from direct substitution and embraces a lateral approach: contextual cross-selling.
The goal is no longer to find an alternative to the sold-out product but to leverage the user’s initial interest by offering complementary and relevant items — turning potential frustration into a new discovery opportunity.

The best way to do this is with a dedicated section within the Product Detail Page (PDP) that shows pairings already styled in the product photoshoots. Instead of a generic “You might also like,” use more engaging and clear labels like “Complete the Look” or “Recommended Pairings.”

In the fashion sector, for example, a sold-out t-shirt can be shown in a “Complete the Look” box alongside the jeans, belt, and shoes it was styled with in the photos.

The benefits are twofold: you prevent users from leaving the page — turning an exit into further browsing — and create the opportunity to increase Average Order Value (AOV) by selling complementary items.

Bonus: Pre-Orders as a Tool for Immediate Conversion

Pre-orders become a great option when you have a confirmed restock date. In this case, you can turn customer interest into an immediate conversion without making them wait or walk away.

From a user experience perspective, pre-ordering replaces the uncertainty of a restock notification with the certainty of a guaranteed purchase. This gives the user control over the buying process.

But the key for this to work is transparency. Users should always know they’re placing a pre-order. The crucial points to focus on are:

• Clear Call-to-Action: the button should clearly state the action (e.g., “Pre-order Now”).
• Visible Shipping Date: show the expected shipping date clearly, right next to the price and CTA.
• Consistency Throughout the Funnel: pre-order information and the estimated shipping date should be visible at every stage — cart, checkout, and order confirmation email.

The advantage of this strategy is securing an immediate conversion, minimizing the risk that of customers losing interest or turning to a competitor while they wait.

How to Handle “Sold Out” from an SEO Perspective

From an SEO standpoint, the key rule is not to lose the value of a sold-out product page that has earned rankings and backlinks.

• If the product is temporarily out of stock, keep the page active (status 200 OK), signal the “OutOfStock” status to Google through structured data, and improve the user experience with the strategies we covered earlier.
• If the product is permanently discontinued, the best move is to implement a permanent 301 redirect to the most relevant alternative — a similar product or the parent category page. Avoid redirecting to the homepage as it leads to a poor user experience.

What we’ve covered are the fundamental best practices for managing a “Sold Out” page, but every ecommerce has unique needs depending on its sector. With our expertise in SEO and UX, we can help you truly maximize conversions and deliver a frictionless shopping experience through a tailored strategy.