Migrating Platforms Without Losing What Converts
A platform migration loses conversion in the details nobody listed: redirects, product data, checkout habits, email flows and the pages that quietly earned. Inventory what converts before you move, then prove the new home kept it.
The short answer
Before migrating between platforms, such as WooCommerce to a hosted platform or the reverse, inventory what currently converts: your top pages and their addresses, product data and imagery, search visibility, checkout and payment habits, discount and email flows, and the integrations other work depends on. Plan a redirect for every address that earns traffic or is linked anywhere, migrate data in a test run you can inspect, and schedule a post launch regression of the full buying and enquiry journeys. Most migration losses are not caused by the new platform being worse. They are caused by unlisted details that nobody owned during the move.
Inventory what converts, in numbers
Export the last several months of orders, top products, top landing pages and main traffic sources using the reading method in WooCommerce analytics and GA or your current platform equivalent. Mark the pages and products that carry disproportionate revenue; those get individual attention in the new build rather than bulk treatment. Record current checkout completion and enquiry rates as a baseline, with their definitions, so post migration argument has a reference. Also list the small things buyers rely on: saved payment options, gift cards, subscriptions, loyalty balances and download links, each of which may migrate differently or not at all.
Addresses and redirects protect demand
Every changed address needs a deliberate redirect to the closest equivalent page, not the homepage, following current search guidance in Google Search Central documentation. Build the redirect map from your actual top pages, sitemap and internal links, and test it on the staging site by clicking old addresses. Product addresses are the highest stakes because they hold search rankings, shared links and advertising destinations. After launch, monitor search reporting and 404 logs for missed addresses and fix them promptly. A redirect plan written before the move is an afternoon; the same plan reconstructed after a traffic drop is a week under pressure.
Migrate data like a buyer will read it
Product titles, descriptions, attributes, images, prices and stock must arrive complete and correctly associated, especially variations. Test migration with a sample containing your hardest products: many variations, digital components, subscriptions or bundles if you sell them, and long content. Read migrated pages as pages, not as database rows, because mapping errors hide in formatting, missing images and attributes that land in the wrong field. Content pages, policies and delivery information need the same reading. Bulk success rates are misleading; one broken hero product costs more than a hundred correct minor ones.
Preserve buying habits where you can
Buyers and staff have habits around the old checkout: payment methods offered, account behaviour, order emails, invoice formats and how discounts apply. Where the new platform differs, decide consciously, document the change for support, and expect a short period of questions. Run the full order regression from the checkout guides on the new platform before launch, including failed payments, refunds and fulfilment notifications. If subscriptions, memberships or stored customer arrangements cannot migrate cleanly, communicate with affected customers early and honestly; surprise at renewal time converts a platform project into a trust problem.
Flows and integrations are part of the store
Email capture, abandoned basket messages, review collection, accounting, shipping and analytics integrations all need a migration line item with an owner and a test. Rebuild automated flows natively in the new platform where that is cleaner than porting, and verify triggers with real test orders rather than trusting connection status screens. Check analytics events on the new store before launch so your baseline continues; a measurement gap during migration makes every later judgement harder. Also update internal documentation, bookmarks and support scripts that reference the old admin, or staff will keep diagnosing from a map of a store that no longer exists.
Launch, compare, and hold your nerve
Launch in a quieter period if you can, freeze non essential changes, and compare performance over whole weeks against the baseline, allowing for normal variation and for search engines to settle after address changes. Watch orders, checkout completion, top page traffic, 404s and support themes daily for the first stretch. Resist rebuilding the new store in week one in response to noise; fix breakage fast and judge design questions on data. A well inventoried migration often dips briefly and recovers. An uninventoried one keeps discovering losses for months, which is why the inventory, not the platform choice, is this guide main lesson.
Sources and evidence on the record
- Google, Search Central documentation - how Google reads and ranks the pages conversion work changes.
- WooCommerce, WooCommerce documentation - store, product, cart and checkout mechanics.
- Shopify, Shopify Help Center - platform documentation for themes, cart, checkout and Shop Pay.
Evidence basis: Platform guide. Behaviour described is as documented by the platform in the sources listed below, checked on 24 October 2026; platform behaviour changes, so re-check before a rebuild. Applies when: You are moving a store or lead site between platforms