CheckoutWC 11.0: Post-purchase upsells and A/B testing
Version 11.0 adds two features that stores have been asking for: the ability to present offers after checkout on the thank you page, and the ability to test order bump variations against each other to find what actually converts.
Both features are live now. But more than shipping code, we’re shipping a question: what do you need these tools to do?
What’s new

Thank you page order bumps
Order bumps have always been about catching customers at the moment of highest intent, right before they click “Place Order.” But there’s another moment that’s almost as good: right after they’ve already committed.
The thank you page is a psychological sweet spot. The customer has made their decision, the payment went through, and they’re feeling good about their purchase. That’s the perfect moment to show them one more offer.
This works especially well for:
Subscriptions and refills. Someone just bought a 30-day supply of something, so you can offer them a subscription to make sure they never run out. The rules engine lets you target based on what’s in their order, so you can match the subscription offer to exactly what they purchased.
Memberships. If a customer just bought at full price, you can offer a membership that gets them 10% off all future orders. We wrote about pairing memberships with store credit recently, and the thank you page is a perfect place to pitch that value proposition.
Gift cards. When a customer just bought something for themselves, you can prompt them with something like “Loved what you bought? Get a friend 10% off with a gift card.” It’s low friction for the customer and high margin for you.
Anything you can imagine. The full rules engine is available for thank you page bumps. You can target based on cart contents, customer history, order value, shipping country, user role, or whatever logic makes sense for your store.
On the technical side, thank you page bumps use the same one-click flow as other post-purchase offers. The customer clicks, the item adds to their existing order, and they’re done without re-entering any payment information.
→ Post-purchase upsells documentation

A/B testing for order bumps
We’ve been asked for A/B testing for a while now. We were skeptical at first because smaller stores might not reach statistical significance, and we didn’t want to ship a feature that gives people false confidence in noisy data.
So we tried to design a version that makes those problems less likely to occur.
Here’s how it works: you pick an existing order bump as your control, then you create variants. You can create as many variants as you want, and each variant is a full copy of the original that you can change however you like. You can use a different product, a different discount, different copy, different rules, or a different location on the page.
When customers hit checkout, they get randomly assigned to see one of the variants. That assignment sticks for their session so they don’t see different versions if they navigate around your site.
As orders come in, you see the stats for each variant: impressions, conversions, and revenue. When you have enough data to feel confident in the results, you declare a winner and that configuration becomes your new default.
What can you test?
Pretty much anything you can configure on an order bump:
- Different discount percentages (is 20% off actually better than 15% off, or are you leaving money on the table?)
- Different products entirely (does the warranty upsell beat the accessory bundle?)
- Different copy and positioning
- Different display locations
- Free shipping threshold vs percentage discount
- Different rules for when the bump shows
Traffic distribution defaults to equal splits, but you can set custom percentages if you prefer. If you want to put 70% of traffic on your proven bump and 30% on something experimental, you can do that.
Statistical significance is ultimately your call to make. We show you the raw numbers, and you decide when you’ve seen enough to be confident. For high-volume stores, that might be a few days. For smaller stores, it might be a few weeks. The point is that you get real data instead of guessing.
Who is this for
Thank you page bumps are available on Plus plans and above, alongside the existing order bump locations. If you’re already using order bumps to increase AOV, this gives you one more moment to make an offer to customers who are already in a buying mindset.
A/B testing is a Pro feature. It’s most valuable for stores already making real sales because you need some volume to get meaningful data. But even moderate-volume stores can use it effectively if they’re patient enough to run the test longer and wait for the data to accumulate.
If you’re on Basic and want access to order bumps, or on Plus and want A/B testing, you can compare plans here.
What we want from you
Here’s the real point of this post: we want to know what you want to do with these tools.
We have our own ideas for where to take this. More A/B testing surface area (trust badges? template comparisons?). Better reporting and analytics. Pre-built templates for specific store types. Dashboards that help you understand what’s working without needing a data science degree.
But we don’t know what matters most to you. Maybe it’s something obvious we haven’t thought of yet. Maybe it’s something weird and specific to your industry. Maybe you think the whole approach is wrong and we should be doing something else entirely.
Even if you think your idea would only be a 1% improvement, we still want to hear it. Sometimes the 1% ideas stack up to something meaningful. Sometimes the “small” request turns out to be the thing that unlocks the feature for a whole category of stores we hadn’t considered.
Ways to tell us:
- Tweet at @checkout_wc
- Email [email protected]
- Open a support ticket through your account
- Find us at a WordCamp and tell us in person
We read everything that comes in. We don’t promise to build everything, but we track every request and it influences what we prioritize. Ask Alberto.
What’s next
These features are the foundation for more intelligent order optimization down the road. The rules engine that powers thank you page bumps can power a lot of other conditional logic. The A/B testing infrastructure can extend beyond order bumps to other parts of the checkout experience.
But the direction we go depends on what you need. So update to 11.0, try the new features, and let us know what would make them more useful for your store.
Update now: CheckoutWC 11.0 is available.
Documentation:
Questions? Contact support or reply to the email if you got this as a newsletter.
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