A Hyvä Checkout migration is one of the few Adobe Commerce projects where the customer experience changes visibly on day one. The page count drops. The animations get smoother. The form fields stop reloading the entire panel every time someone types a postcode. None of this is theoretical. Customers feel it inside the first five seconds, and the data shows up in your conversion funnel inside the first week.
This is also one of the easier Magento projects to under-deliver. The default Hyvä Checkout install is a competent baseline; it is not automatically a conversion-optimized checkout for your specific store. The merchants who get the biggest lifts are the ones who pair the migration with deliberate UX decisions, payment method consolidation, and trust signal placement. Bemeir’s Adobe Commerce team has migrated checkouts for B2C brands and B2B distributors at every revenue tier, and the pattern is consistent: the technical migration is the easy part, the merchandising decisions are where the lift comes from.
What the migration actually replaces
Magento’s default Luma checkout is a single-page application built on KnockoutJS that reloads multiple panels every time the customer changes shipping, payment, or address. It typically ships between 400KB and 700KB of JavaScript on the checkout page alone. Form re-renders are visible to the customer as flickers and stutters. On mid-range mobile devices, total checkout time-to-interactive frequently exceeds five seconds, even on fast networks.
Hyvä Checkout (the commercial checkout product, separate from the Hyvä storefront theme) replaces the entire Luma checkout stack with an Alpine.js plus Tailwind CSS implementation. Form rendering is server-driven where it can be, client-side where it must be, and the total JavaScript payload typically drops to under 80KB. Re-renders are imperceptible. Page transitions feel native to the device.
Importantly, this is not a visual reskin. The DOM is different. The form submission flow is different. The way the cart talks to the address book is different. The Adobe Commerce checkout extensions in your existing build will not work without explicit Hyvä Checkout compatibility, which is why the migration is usually preceded by a compatibility audit.
What your customer actually notices
The customer-visible changes after a Hyvä Checkout migration fall into four buckets. Each of them moves a number you care about.
Speed. The checkout page becomes faster to load, faster to type in, faster to submit. We routinely see Largest Contentful Paint on the checkout page drop from 4.5 seconds to under 1.8 seconds on mid-range Android devices. According to Google’s research on mobile commerce, a one-second improvement on a transactional page typically lifts conversion 8% to 14% on its own.
Visual stability. The flickering panels on Luma checkout that re-render when the customer changes shipping country, payment method, or coupon code disappear entirely. Cumulative Layout Shift on the checkout page typically goes from 0.20-0.40 (poor) to under 0.05 (good). This matters because customers who watch their screen jump while typing are more likely to abandon mid-form.
Form behavior. Field validation happens inline instead of after submit. Postcode lookups and address autocomplete trigger without full panel reloads. Saved addresses populate without page transitions. These are micro-interactions that customers cannot articulate but reliably reduce time-to-purchase.
Trust signal real estate. Hyvä Checkout’s layout gives you usable space for trust badges, return policy reassurance, customer support contact, and security icons without making the page feel cluttered. On Luma the equivalent additions usually broke the layout or required heavy custom work.
The conversion lift to actually expect
We are careful with conversion-lift numbers because they are dependent on what your checkout looked like before. Here is what we have actually seen in production across migrations our team has shipped:
| Pre-migration checkout state | Typical post-migration conversion lift | Notes |
|---|---|---|
| Stock Luma checkout, no customizations | 12-22% | Largest lift, mostly from speed alone |
| Luma with light custom CSS and one extension | 8-15% | Speed plus removal of re-render flickers |
| Heavily customized Luma with 3+ checkout extensions | 4-10% | Smaller lift, but extensions need rework |
| Replatform from Shopify Standard to Adobe Commerce + Hyvä Checkout | 0 to -5% in first 30 days | Customer base learns new flow, recovers by day 45-60 |
The numbers are conservative ranges from our own deployments, not best-case marketing claims. The merchants who see lifts above 20% typically had the worst starting point: a Luma checkout that had been incrementally hacked over five years, with seven extensions fighting for the same DOM nodes. The merchants in the 4-10% band usually had already invested heavily in checkout optimization on Luma and have less easy lift remaining.
What changes for your customer service team
Two operational changes show up in the support queue after migration. Both are positive but worth preparing for.
First, address validation tickets typically drop 30-50%. Hyvä Checkout’s inline validation catches errors earlier in the flow, so customers fix typos before they hit submit and create a failed order. Address-related “I never got my order” tickets follow suit a few weeks later.
Second, “checkout is broken” tickets briefly spike in the first week, almost always from customers using older browsers (Safari 13, Chrome 78 on Android 8) that the new build does not target. Worth confirming your browser support matrix with the engineering team before launch and posting a clear browser compatibility note on the storefront.
The merchandising decisions that move the number
The Hyvä Checkout migration is a one-time chance to also re-evaluate decisions you made on the Luma checkout that you have not touched in years. The ones that matter most:
Payment method placement. On Hyvä Checkout you can re-rank and visually differentiate payment methods. According to the Baymard Institute’s checkout research, customers complete checkout faster when their most-used payment method is visually distinct and listed first. Use your last 90 days of order data to set the order, not your gateway provider’s default.
Address autocomplete. Hyvä Checkout integrates cleanly with Google Places, Loqate, and SmartyStreets. Even on B2B stores, autocomplete reliably reduces form completion time by 30-40%. The investment is small relative to the lift.
Guest checkout default. If your Luma checkout was account-default, the migration is a good moment to flip to guest-default with optional account creation post-purchase. This single change has produced lifts in the 5-12% range for our DTC clients.
Express payment placement. Apple Pay, Google Pay, Shop Pay, and PayPal Express are increasingly the first interaction in checkout. Place them above the form on mobile, side-by-side with the form on desktop. The conversion lift on mobile from this single change is typically 6-10%.
What the engineering team needs from you
The migration goes faster when the business side has decisions made before the kickoff. The list we ask clients to bring to a Hyvä Checkout planning session: the current checkout extension list (with version numbers), the existing payment methods in order of monthly transaction volume, the existing shipping methods grouped by carrier, any custom fields collected during checkout (and why), and the last six months of checkout abandonment funnel data from your analytics.
With that input, Bemeir’s Hyvä team can usually scope a single-region B2C checkout migration in two weeks of discovery and four to eight weeks of build, depending on extension compatibility. A B2B checkout with company-account hierarchies, custom payment terms, and ERP integration typically runs eight to twelve weeks of build after a deeper discovery.
When to migrate the checkout separately from the storefront
A useful pattern we recommend more often than the industry does: migrate Hyvä Checkout first, then migrate the full Hyvä storefront a quarter or two later. The checkout migration delivers most of the conversion lift, has a smaller surface area, and produces an internal proof point that makes the full storefront business case much easier. Adobe Commerce supports running Hyvä Checkout with a Luma storefront, and the Hyvä documentation on checkout-only deployments covers the integration model. For merchants still building the case internally for a full Hyvä migration, this staged approach has the lowest political risk and the fastest measurable wins.
The checkout is where customers either complete the purchase or do not. Make that surface fast, stable, and trustworthy, and most of the rest of the Magento conversion conversation gets easier. Our team is in this code every week, and the migrations that get the biggest results are the ones where the business takes the merchandising decisions as seriously as the engineering team takes the technical migration.
