Checkout conversion rate — the percentage of customers who start checkout and complete a purchase — is one of the most direct metrics affected by a platform migration. Shopify's checkout is often cited as the most optimized in ecommerce, and for many WooCommerce stores, migrating to Shopify's checkout produces measurable conversion improvements. Here's an honest breakdown of what changes, what improves, and what can hurt conversion if not set up correctly.

Why Shopify's checkout often converts better

Shop Pay

Shop Pay is Shopify's accelerated checkout. Customers who have previously used Shop Pay (on any Shopify store) can complete checkout in 2 taps — email + confirmation code. No re-entering billing details, shipping address, or payment info.

Shopify reports that Shop Pay has a 50% higher checkout completion rate than guest checkout on average. For mobile shoppers specifically, the difference is larger because typing billing details on mobile is a major drop-off point.

Shop Pay is exclusive to Shopify — WooCommerce stores cannot offer it. This is one of Shopify's genuine checkout advantages.

Apple Pay and Google Pay

Both available natively on Shopify via Shopify Payments. One-tap checkout for Apple device users (Safari) and Google account users. WooCommerce stores can also enable these via Stripe or WooCommerce Payments, but setup is more involved.

One-page checkout (2023)

Shopify rolled out a redesigned one-page checkout in 2023 — all checkout fields (contact, shipping, payment) visible on a single page. This reduces the friction of multi-step checkout funnels.

Checkout performance

Shopify's hosted checkout is served from Shopify's global infrastructure — not your server. Checkout pages load fast globally. WooCommerce checkout pages load from your hosting server, and under peak load, slow checkout is a significant conversion killer.

Checkout reliability

Shopify maintains 99.99% uptime for checkout. WooCommerce checkout is as reliable as your hosting — which varies significantly. Peak traffic events (Black Friday, product launches) that would crash shared hosting don't affect Shopify checkout.

What can hurt checkout conversion after migration

Guest checkout configuration

If customer accounts are set to "Required" in Shopify Settings, customers are forced to create an account before checkout. This is a major conversion barrier for first-time buyers. Ensure customer accounts are set to "Optional" for most stores.

Missing payment methods

If your WooCommerce store had payment methods not available via Shopify Payments (e.g., regional payment methods common in specific countries), customers in those regions will find their preferred payment method missing. Check payment method coverage before migration.

Shipping rate display

WooCommerce allows showing estimated shipping rates on the cart page before checkout. Shopify shows shipping rates during checkout (after address entry). Some customers who were used to seeing shipping cost before checkout initiation may abandon when they see it for the first time in the checkout flow. Mitigate by displaying a "Free shipping over $X" message on the cart page.

Checkout customization limitations (non-Plus)

WooCommerce allows PHP customization of the checkout page — custom fields, conditional logic, custom order attributes. On Shopify (non-Plus), checkout customization is limited. If your WooCommerce checkout had:

Custom delivery date picker → not available in Shopify checkout without Plus
PO number / purchase order fields → not available without Plus
Custom checkout terms checkbox (beyond Shopify's built-in) → limited
Wholesale/trade account detection at checkout → requires Plus or app workaround

Tax display differences

If your WooCommerce store showed prices inclusive of tax and your Shopify store shows prices exclusive of tax (or vice versa), customers may experience unexpected total changes at checkout, leading to abandonment.

Measuring checkout conversion after migration

WooCommerce baseline

Before migrating, record your WooCommerce checkout conversion rate from Google Analytics 4:

GA4 → Reports → Monetization → Checkout Journey
Record completion rate for each checkout step (information, shipping, payment, confirmation)
Note which steps have the highest drop-off

Shopify checkout analytics

After migration:

Shopify Admin → Analytics → Reports → "Checkout conversion" (Shopify's built-in report)
GA4: verify purchase events are firing correctly (compare order count in Shopify vs GA4)
Compare checkout step completion rates at 30-day post-migration with WooCommerce baseline

Checkout optimization on Shopify

Enable all accelerated payment methods

In Shopify Admin → Settings → Payments:

Enable Shop Pay (if using Shopify Payments)
Enable Apple Pay
Enable Google Pay
These appear as prominent buttons above the standard checkout form — reduce friction for returning customers significantly

Customize checkout branding

Shopify Admin → Settings → Checkout → Customize to add your logo, brand colors, and header image to the checkout. Consistent branding reduces abandonment from customers who feel they've left your store.

Trust signals

Add trust badges and security messaging to the checkout:

Shopify Admin → Settings → Checkout → "Checkout customization" → add trust badges to order summary column
Free text for trust messaging: "Secure checkout", "30-day returns", SSL badge

Abandon checkout recovery

Shopify's built-in abandoned checkout recovery sends automatic emails to customers who entered their email but didn't complete checkout:

Admin → Marketing → Abandoned checkouts → configure timing (default: 10 hours after abandonment)
Customizable email template
Or use Klaviyo for more sophisticated multi-step abandoned cart sequences

What to expect after migration

Typical checkout conversion changes after WooCommerce to Shopify migration:

Store scenario	Expected conversion change
WooCommerce on slow shared hosting	Positive — faster checkout reduces abandonment
WooCommerce with complex checkout customizations	Neutral to slight positive — may lose some custom functionality but gain Shop Pay and reliability
High mobile traffic (60%+ mobile)	Positive — Shop Pay and Apple Pay significantly help mobile conversion
B2B/wholesale with required account checkout	Neutral or slightly negative if Plus features aren't used — B2B checkout needs are better met by Plus
Well-optimized WooCommerce on premium hosting	Neutral to slight positive — already fast, gain from accelerated payments

Checkout conversion migration checklist

Record current WooCommerce checkout conversion rate (GA4 Checkout Journey report)
Set customer accounts to "Optional" (not Required) in Shopify Settings
Enable Shop Pay, Apple Pay, Google Pay in Shopify Payments settings
Configure checkout branding (logo, brand colors)
Add trust badges to checkout order summary
Review and configure tax display (inclusive vs exclusive) to match WooCommerce
Set up abandoned checkout recovery email (Admin → Marketing)
Test full checkout flow on desktop and mobile before launch
Verify all payment methods work correctly with test purchases
Monitor checkout conversion at 7, 14, 30 days post-launch
Compare with WooCommerce baseline — investigate any drops by checkout step

Checkout conversion is typically a win from migrating to Shopify — particularly for stores with meaningful mobile traffic. Shop Pay's impact on returning customers (from any Shopify store) is significant. The main risks are configuration issues (guest checkout, missing payment methods, tax display) that are all easily fixed in the first week after migration.

Shopify checkout conversion vs WooCommerce checkout: what to expect (2026)