Wix to Shopify Migration: What Breaks Most Often (and How to Avoid It)

Most Wix to Shopify migration guides describe what should happen. This one documents what actually happens, the database mismatches, CSV rejections, tracking failures, and SEO collapses we encounter in production migrations, and the precise technical steps to fix each one.

If your Wix store drives real revenue through organic search or paid campaigns, this is the migration manual you need before touching a single export file.

A Wix to Shopify migration usually involves five core stages: auditing the existing Wix store, preparing and cleaning product and customer data, rebuilding the Shopify storefront, mapping old Wix URLs to their new Shopify destinations and validating the store before launch.

Depending on the size and complexity of the store, the migration can be handled through CSV imports, Shopify's Store Migration app, third-party migration tools or a custom migration process.

The important part isn't simply getting the data into Shopify. Products, customers, SEO URLs, tracking and existing business workflows all need to be checked individually so the new store preserves what was already working on Wix.

The sections below explain where those migrations most commonly break and how to prevent those problems before launch.

A Wix to Shopify migration looks deceivingly simple: export products, import products, rebuild the theme, copy the pages. Merchants who treat it that way are usually the ones who call us two weeks post-launch asking why traffic has dropped 60 percent or why their Meta Pixel is reporting zero purchase events against a Shopify dashboard showing confirmed orders.

The failure isn't a lack of effort. It's a misunderstanding of what actually has to transfer.

Your Wix store is not just a collection of web pages. It's a functioning commerce system, with a URL equity footprint, a product data architecture, an analytics instrumentation layer, and customer acquisition flows built on top of it. Shopify doesn't automatically inherit any of those. You have to rebuild each layer deliberately.

The businesses that migrate without disruption are the ones that treat this as an engineering handoff, not a website redesign.

Wix and Shopify structure product data differently, which becomes especially important during migration.

Wix allows merchants to build product configurations using its own option and variant structure. Shopify uses a more structured product model, and the migration method you choose determines how that Wix data needs to be transformed before it can be imported successfully.

One important point is that Shopify's historical 100-variant-per-product limit is no longer current. Shopify now supports up to 2,048 variants per product by default.

However, this doesn't mean every Wix product configuration can be transferred automatically.

For example, Shopify's current Store Migration app for Wix supports products with a maximum of three product options.

If a Wix product contains more than three option types, those options won't be imported through that migration workflow and need to be handled separately using another approach such as metafields, third-party apps or product restructuring.

What this means in practice is that Wix product data should still be audited before migration. The constraint is no longer simply "Shopify only allows 100 variants."

The real challenge is making sure the Wix product structure maps correctly to Shopify's current product model and to the specific migration method being used.

When migrating larger or more configurable Wix catalogs, one of the most important technical checks is how the existing product options will map into Shopify.

This area has changed significantly.

Shopify historically limited products to 100 variants, which meant products with combinations such as 5 sizes × 5 colors × 5 materials could exceed the platform limit. That historical restriction is no longer the correct basis for planning a migration. Shopify now supports up to 2,048 variants per product by default.

The migration challenge today is more about option structure and import compatibility than automatically splitting every product that exceeds 100 combinations.

For example, a Wix product might contain:

• Size
• Color
• Material
• Finish

If you're using Shopify's current Wix Store Migration app, products with more than three options require additional handling because the migration workflow supports a maximum of three product options.

There are two common ways we approach this.

Path One - Metafield Mapping.
If an option doesn't actually create a unique purchasable variant, move that information into Shopify metafields instead. Information such as material composition, care instructions or technical specifications often doesn't need to occupy a selectable product option.

These values can be stored as structured product data and displayed through the Shopify theme.

Path Two - Product or Option Restructuring.
If every option genuinely affects what the customer purchases, review how the product should be represented in Shopify before import. Depending on the catalog, this might mean using a compatible product-options solution, restructuring how variants are represented or separating products where that creates a clearer storefront experience.

The key is to audit the product structure before import.

Don't split products simply because an older migration guide says Shopify has a 100-variant limit. Instead, calculate the actual variant combinations, review the current Shopify limits and confirm what the migration method you're using can support.

One of the most common migration shortcuts is exporting a product CSV from Wix and uploading it directly into Shopify. In practice, this often leads to import failures or incorrectly structured product data because Wix and Shopify use different CSV schemas.

The underlying problem is that Shopify expects its own specific product CSV structure. A raw Wix export doesn't automatically match Shopify's required columns, field names or data relationships. As a result, the Wix data needs to be reviewed, mapped and cleaned before it is imported into Shopify.

The exact Shopify product CSV structure should always be checked against Shopify's current product CSV template before starting the migration.

For example, Shopify's current product CSV format includes fields such as Inventory tracker to identify whether Shopify or another service tracks inventory, and Inventory quantity for available inventory on stores using a single inventory location.

Stores with multiple inventory locations should manage inventory quantities through Shopify's dedicated inventory CSV workflow rather than relying on the standard product CSV quantity field.

The same principle applies across the entire file: Wix fields should be mapped deliberately to Shopify's current CSV schema rather than relying on historical Shopify column names or assuming that similar-looking fields will be interpreted automatically.

Beyond column mapping, the data inside the CSV also needs to be sanitized before import.

One of the most common problems is inconsistent variant and option values. A catalog might contain the same size written as:

• L
• Large
• Lg
• large

Although these may represent the same size internally, Shopify can treat them as separate option values. This can create inconsistent product selectors, fragmented filtering and unnecessary complexity when managing product data.

Before importing, normalize repeated option values into a single canonical format across the catalog.

The same cleanup should be applied to:

• Sizes
• Colors
• Materials
• Product types
• Vendors
• Option names
• SKUs
• Inventory values

SKU consistency also needs to be audited carefully. Shopify recommends using unique SKUs for each product variant, and duplicate SKUs can cause problems with inventory management, reporting, fulfillment systems and third-party integrations.

Vendor values should also be standardized. For example, variations such as Nike, NIKE and Nike Inc. can create inconsistent product data if they are intended to represent the same vendor.

Product images need separate validation as well. Any image URLs included in the migration file should be publicly accessible when Shopify attempts to retrieve them. Broken, inaccessible or temporary image URLs can result in products importing without their intended images.

Before running the complete migration, we recommend importing a small test batch first and validating:

• Product titles
• Handles
• SKUs
• Prices
• Inventory
• Options
• Variants
• Vendors
• Images
• Product status

Once the mapping and data structure have been confirmed, the remaining catalog can be imported using the same validated format.

File size constraints should also be considered before import. Shopify currently limits product CSV imports to 15MB per file, and customer CSV imports are also limited to 15MB per file. Larger datasets should therefore be divided into smaller CSV files and imported in controlled batches.

The important point is that CSV migration should be treated as a data transformation process, not simply an export-and-upload task. Cleaning and validating the data before import significantly reduces the risk of incorrect product structures, inventory issues and unnecessary cleanup after launch.

One of the most consistently underestimated post-launch surprises in a Wix to Shopify migration is what happens to the customer database.

Customer passwords cannot be migrated from Wix to Shopify through a standard customer CSV import because password credentials are encrypted and aren't transferable between platforms.

However, how this affects customers depends on the Shopify customer account setup being used.

Shopify's current Customer Accounts use passwordless authentication. Customers enter their email address and receive a one-time verification code, so they don't need a migrated password to access their account.

If a store is still using Shopify's legacy customer accounts, existing customers need to be invited to create new account credentials after migration.

Customer data such as names, email addresses, phone numbers, addresses and supported customer attributes can be migrated, but historical order information requires separate handling and shouldn't be assumed to transfer through the standard customer CSV.

The important part is to plan the customer account experience before launch.

Existing customers should clearly understand how to access their accounts on the new Shopify store, whether any action is required from them and where they can contact support if they experience login problems.

For stores with a large returning customer base, customer communication should be treated as part of the migration process rather than something created after launch.

This is the section where most migrations fail silently for weeks before merchants understand what happened.

Wix gives store owners structural freedom to build URL paths across the website, while Shopify uses a more standardized URL structure for products, collections, pages and blog content.

As a result, many existing Wix URLs won't automatically match their Shopify equivalents after migration.

If those old URLs have already been indexed by Google, receive organic traffic or have backlinks pointing to them, allowing them to return 404 errors after launch can lead to lost traffic and weakened SEO signals.

The critical mistake we see most often is redirecting large numbers of legacy URLs to the Shopify homepage simply because an exact replacement hasn't been identified.

A redirect should send users and search engines to a genuinely relevant destination.

For example:

• An old product URL should redirect to the equivalent Shopify product.
• An old category URL should redirect to the closest matching Shopify collection.
• A migrated blog post should redirect to its new blog URL.
• A discontinued page should redirect to the closest relevant replacement only when that destination genuinely satisfies the original intent.

Redirecting unrelated pages to the homepage can create a poor user experience and may be interpreted by search engines as soft-404 behavior when the destination doesn't meaningfully match the original page.

One of the most expensive post-migration failures is a tracking problem that isn't discovered until advertising and analytics data have already been affected.

Wix and Shopify don't necessarily expose ecommerce and checkout events in the same way.

That means an existing Google Tag Manager setup, GA4 configuration, Meta Pixel or other advertising implementation shouldn't simply be copied from Wix to Shopify under the assumption that it will continue working correctly.

A tracking configuration can appear installed while critical ecommerce events such as purchases are missing, duplicated or sending incorrect values.

The advertising platforms may continue receiving page views and basic activity while the purchase signals used for attribution and campaign optimization become inaccurate.

Without reliable conversion data:

• ROAS reporting becomes unreliable
• Automated bidding can optimize using incomplete data
• Revenue attribution becomes harder to trust
• Marketing decisions can be made using incorrect conversion information

Understanding what breaks is only valuable if it informs how you run the migration. The following process is structured around risk reduction, not speed.

The pre-migration audit comes first. Before exporting a single file, build a complete inventory of what the business depends on: top-revenue pages, indexed URL set, installed scripts and marketing tags, Wix apps with backend dependencies, operational workflows your team runs through the Wix admin, and email or automation flows connected to Wix forms. Without this inventory, the migration scope is guesswork.

Clean the catalog before import, not after. Export the Wix product CSV and run the sanitization process described in Section 2 before the Shopify store is set up. Doing cleanup after import means re-importing and reconciling the delta, which creates duplicate SKU and collection assignment problems.

Plan the Shopify architecture before building. Define the collection structure, product template design, metafield schema, and filtering logic before any development begins. Shopify's commerce-first architecture rewards stores that are structured intentionally and punishes stores that are assembled reactively. Retrofitting collection architecture after the store is built costs more than building it correctly the first time.

Rebuild key pages, don't migrate them. High-ranking blog posts, brand story pages, shipping and returns policies, FAQ pages, and top-converting landing pages should be rebuilt in Shopify with deliberate attention to content depth, internal linking, and metadata. These pages carry trust signals and SEO equity that don't survive a copy-paste approach.

Build and upload the redirect map before going live. The redirect map should be complete and uploaded to Shopify's URL Redirects panel before the domain is pointed. Redirects implemented after launch, even by hours, can allow Googlebot to crawl 404s during the window, which accelerates ranking impact.

Validate tracking in staging before launch. Use Shopify's test payment gateway to run complete purchase transactions in the staging environment. Confirm that all conversion events fire correctly, that no duplicate transactions are recorded, and that ad platform dashboards reflect the test purchases.

Stabilize before optimizing. The first two weeks after launch should be treated as a stabilization period rather than an aggressive growth phase.

Google needs time to recrawl and reassess the new website structure, while real customers may also uncover edge cases in checkout, product filtering, discounts, customer accounts or other store workflows.

During this period, monitor SEO performance, tracking accuracy, orders, checkout behavior and technical errors closely.

Having engineering or technical support available during the post-launch period can make it much easier to identify and resolve migration issues before they affect customers or revenue for an extended period.

SEO continuity in a platform migration isn't achieved through redirects alone. It's achieved through continuity of intent.

A Wix collection or category page that ranked because it served a strong commercial search intent needs a Shopify equivalent that continues to satisfy that same intent.

A Wix blog post that ranked because it provided a comprehensive answer to a search query needs a Shopify equivalent that preserves the important content depth, internal linking structure and topical relevance that helped it perform.

The redirect helps search engines and users reach the new location, but the destination page still needs to remain relevant to the original URL.

Post-migration, submit or verify the new Shopify sitemap in Google Search Console after launch.

Monitor the Page Indexing report and Search Console performance data during the initial post-launch period to identify:

• Important URLs returning errors
• Unexpected non-indexing
• Redirect problems
• Losses in search impressions
• Significant ranking changes

Also monitor your highest-value pages individually rather than relying only on site-wide traffic.

Core Web Vitals performance on Shopify can differ meaningfully from Wix.

Run performance checks across key templates such as the homepage, product pages and collection pages and monitor real-user performance data after launch.

The current Core Web Vitals are Largest Contentful Paint (LCP), Interaction to Next Paint (INP) and Cumulative Layout Shift (CLS).

Use these metrics alongside page-level performance testing to identify regressions introduced by the new theme, third-party applications, large images, JavaScript or other storefront changes.

Performance should be monitored after launch rather than treated as a one-time pre-launch test because real-user data can reveal issues that aren't always visible during staging.