Shopify Non-Plus Merchant Self-Check List for Checkout Migration on August 26

If you are subscribed to a non-Plus plan such as Basic, Shopify, or Advanced, August 26 is not a date you can afford to overlook.

The Shopify Help Center states clearly: Non-Plus merchants need to upgrade their existing Thank You page and Order Status page to the new version by August 26, 2026. This means that the risks primarily lie in the Thank You page, Order Status page, and any tracking, conversion, customer service, logistics, membership, and marketing scripts associated with these pages after payment completion.

With the deadline approaching, this checklist will help you assess whether your store is at risk, where to check first, and what to test after migration.

First Confirm: Who is Affected by This Migration

Don’t rush to find a developer just yet. The first step is to confirm whether your store falls within the scope.

• If your store is on a non-Plus plan: Focus on checking the Thank You page and Order Status page.
• If you have added additional scripts in the Checkout settings in the backend: Pay special attention to these.
• If you rely on GA4, Google Ads, Meta Pixel, TikTok Pixel, affiliate tracking, or EDM conversion tracking: These need to be closely examined.
• If you have installed apps that modify the Thank You page or Order Status page: Confirm their compatibility with the new version of the pages.

A simple rule of thumb: If your “post-order completion” page has ever hosted tracking, prompts, redirects, membership registration, customer service access, or marketing components, do not assume it will migrate smoothly by default.

Self-Check 1: Are There Upgrade Notifications in the Backend?

Log into Shopify Admin, typically following this path:

Settings → Checkout, and check for any notifications related to “Upgrade Thank You and Order Status pages by August 26, 2026” in the corresponding checkout configuration.

If you see an upgrade notification, don’t just click to upgrade. First, click in to see the customizations, apps, additional scripts, and pixels listed by Shopify. This page usually tells you what needs to be replaced or confirmed.

Self-Check 2: What’s in the Additional Scripts?

Older stores often fall into the trap of having scripts directly inserted into additional scripts for tracking convenience. The new Thank You / Order Status pages no longer support these extra scripts in the same way as before.

Focus on checking these types:

• Google Ads conversion codes, enhanced conversions related codes
• GA4 purchase events, dataLayer push
• Meta Pixel / CAPI auxiliary scripts
• Pixels from advertising platforms like TikTok, Pinterest, Snap, Bing
• Affiliate, commission, KOL tracking parameter returns
• Custom customer service, surveys, secondary conversion discounts, membership registration access

The principle for handling is simple: Migrate to official channels/apps first; for custom events, use Web Pixels or apps compatible with the new pages; if still relying on bare script tags, replace them as soon as possible.

Self-Check 3: Will Order Conversion Data Be Interrupted?

The biggest fear during migration is not that the pages look bad, but that advertising and analytics systems suddenly lose visibility on purchases.

Before upgrading, record the current baseline:

• Does GA4 have daily purchase events?
• What is the ratio of Google Ads conversions to Shopify order volume?
• Does Meta Events Manager show Purchases, and are there deduplication issues?
• Can UTM, discount codes, and affiliate parameters be correctly attributed?
• Does the order completion page trigger the custom events you rely on?

After upgrading, don’t just look at a single test order. At least review 24 hours of data to confirm there are no significant gaps between Shopify backend orders, GA4 purchases, and conversions on advertising platforms.

Self-Check 4: Are Business Components on the Thank You Page Still Present?

Many merchants treat the Thank You page as the “second touchpoint after the transaction.” During migration, these small components can easily be overlooked.

• Order tracking instructions, logistics inquiry access
• After-sales policies, customer service access, WhatsApp / Messenger buttons
• Membership registration, email subscriptions, referral incentives
• Recommendations for repeat purchases, post-purchase offers
• Compliance prompts for special categories, download links, appointment instructions

It’s advisable to create a screenshot comparison: What does the old page have, and does the new page retain those elements? For those that cannot be retained, convert them into app blocks, order notification emails, account page access, or automated customer service replies.

Minimum Testing Checklist for Migration Day

If time is tight, at least complete these 8 items:

1. Run a complete checkout with a test order.
2. Confirm that the Thank You page displays the order number, amount, address, and products correctly.
3. Open the Order Status page and confirm the link is accessible.
4. Check GA4 DebugView or real-time events for purchase events.
5. Check key platform events on Google Ads / Meta / TikTok, etc.
6. Check critical access points for customer service, logistics, membership, downloads, etc.
7. Run through the process again on mobile; don’t just test on desktop.
8. Review the order count and conversion numbers the next day to ensure there are no significant drops.

If You Haven’t Started Yet, How to Prioritize

Don’t start with “how good the page looks.” First, prioritize data preservation, then business experience.

First Priority: Advertising conversions, GA4 purchases, core pixels. They affect ad judgment and budget allocation.

Second Priority: Order Status pages, logistics, customer service, after-sales explanations. They impact fulfillment and customer complaints.

Third Priority: Marketing components on the Thank You page, membership registration, repeat purchase recommendations. They are important but should not take precedence over conversion tracking.

The most pragmatic goal before August 26 is not to “migrate beautifully,” but to ensure “orders continue, data remains intact, users can track orders, and the team knows what has changed.”

Final Reminder

This migration may seem like just an upgrade button in the checkout settings, but it actually involves the entire operational chain after order completion. Stores that rely heavily on advertising, affiliate distribution, and custom tracking should test in advance.

If you do only one thing: Go to the Shopify backend today, open Settings → Checkout, take screenshots of all customizations and additional scripts in the upgrade notification, and then replace and test them one by one.

Reference: Shopify Help Center’s explanation regarding non-Plus merchants upgrading Thank You / Order Status pages, as well as documentation on additional scripts / Web Pixels. The official page may be updated over time, so refer to the latest notifications and help center instructions in the Shopify backend before migration.