Shopify Plus Replatforming
Replatform to Shopify Plus without losing rankings or revenue
Your migration from Magento, BigCommerce, Salesforce Commerce Cloud, or WooCommerce, delivered with full search engine optimization preservation, zero data loss, and a go-live date your team can plan around.
Shopify Plus Certified Partner
Zero-downtime go-live
301 redirect matrix included
Source-platform specialists
100%
Of Shopify Plus migrations completed with zero loss of
organic search rankings
14 weeks
Average replatforming timeline from kick-off to
production go-live
4 platforms
Source platforms we migrate from: Magento,
BigCommerce, Salesforce Commerce Cloud, WooCommerce
0 downtime
Target for every go-live event, blue/green deployment
with instant rollback capability
The replatforming case
What your current platform costs you compared to Shopify Plus
Toggle between your current platform reality and life on Shopify Plus. These comparisons are based on real enterprise store data, not marketing claims.
Viewing: Current platform challenges
Largest Contentful Paint: 5.8 seconds on mobile
Core Web Vitals: Failing. Google penalty active.
Page speed
Largest Contentful Paint: 1.6 seconds on mobile
Core Web Vitals: Passing. No penalty.
Rigid checkout, no extension application
programming interface
Cannot add upsells, trust signals, or loyalty points
without core checkout edits.
Checkout
Full Checkout Extensions application programming
interface
Upsells, trust signals, gifting, loyalty, all
configurable in the admin.
Every upgrade breaks customizations
Platform updates require a developer sprint. Most teams
are 2 to 3 versions behind.
Upgrades
Shopify-managed, zero-downtime
Theme and extensions survive upgrades. Your team
focuses on growth, not maintenance.
B2B requires a third-party application stack
Fragmented data, multiple sync points, recurring
application costs, vendor dependency.
B2B wholesale
Native company accounts, price lists, net terms
B2B runs on the same platform as direct-to-consumer.
No separate database, no middleware.
Hosting, security patches, content delivery
network, all on you
Infrastructure costs compound annually. Traffic spikes
cause outages.
Infrastructure
Shopify content delivery network, PCI compliance,
99.99% uptime service level agreement
Infrastructure is included. Black Friday Cyber Monday
traffic handled with zero infrastructure planning from you.
New features take months through development queue
Marketing cannot launch campaigns independently.
Everything needs development tickets.
Time to market
Launchpad: schedule sales and campaigns in advance
Marketing controls product launches, price changes,
and promotions without engineering.
The true cost of waiting
Every day on your old platform is a day of compounding losses
These counters have been running since you opened this page. They use conservative industry benchmarks for a mid-market enterprise store doing $8M in annual revenue. Your numbers may be higher.
Live
since you opened this page
Estimated revenue lost to
checkout friction and mobile conversion gap
$0.00
Based on: 40% mobile conversion
penalty from failing Core Web Vitals on a store with $8M annual revenue and 58% mobile traffic share.
Today's cost
$0
Checkout friction revenue loss per
day
$0
Lost mobile revenue per week
Development hours
0.0h
Wasted on legacy maintenance since
load
+0%
Mobile conversion lift average on
migration
Every failed Largest Contentful Paint
Google's mobile-first indexing penalizes pages with Largest Contentful Paint above 2.5 seconds. For a typical enterprise store on a legacy platform, this means 15 to 30% fewer organic visits than a faster competitor on Shopify Plus.
The maintenance trap
Enterprise teams on Magento spend an average of 30 to 40% of their development budget on security patches, plugin conflicts, and version upgrades. On Shopify Plus, that budget goes toward features that drive revenue.
Black Friday Cyber Monday risk
Peak traffic events on self-hosted platforms require months of infrastructure preparation and still carry outage risk. Shopify Plus absorbs any traffic volume automatically, no Black Friday Cyber Monday infrastructure planning, no war room.
Migration architecture
How every Shopify Plus migration flows from source to production
Select your current platform to see the specific data flows, risk points, and integration steps Redefine manages in your replatforming program.
Select
your current platform
Magento 1 or 2
Most complex migration, highest
search engine optimization risk
BigCommerce
Similar taxonomy, moderate
complexity
WooCommerce
Plugin dependency, data
integrity focus
Salesforce Commerce Cloud
Enterprise data model,
integration-heavy
Custom or headless build
Bespoke audit required,
architecture varies
Data migration
streams
Products and catalog
Customer accounts and order history
301 redirect matrix (URL structure
change)
Integrations (enterprise resource
planning, customer relationship management, warehouse management system remapping)
Primary risk: Magento URL
structure
Magento uses a unique category-based URL
pattern. Without a complete redirect matrix, organic rankings can drop by 30 to 60% in the first 90
days. Redefine maps every URL before migration begins.
What's included
Every Shopify Plus replatforming program covers six critical workstreams
Migration is not just a data transfer. Each workstream protects a specific category of risk, search engine optimization, data integrity, integrations, design, performance, and go-live execution.
Search Engine Optimization Preservation and Redirect Strategy
Complete URL audit of your existing site. Every organic-ranking page mapped to its new Shopify Plus URL with a 301 redirect. Structured data migrated. Canonical tags updated. Content gap analysis to prevent indexation drops. We hand over a live redirect matrix before migration day, not after a ranking drop.
See Shopify Search Engine Optimization Services
Zero-Downtime Go-Live
Execution
Blue/green deployment strategy: your new Shopify Plus store runs in staging while your current store stays live. DNS cutover takes under 60 seconds. Instant rollback available for 48 hours post-launch.
Full Data Migration
Products, variants, metafields, customer accounts, order history, and media assets, all migrated with integrity validation at each stage. Customer passwords handled with a reset flow that preserves existing accounts. Historical orders retained for repurchase workflows and lifetime value reporting.
Integration Remapping
Every enterprise resource planning, customer relationship management, product information management, and marketing integration audited against Shopify Plus native connectors and the Shopify application store ecosystem. Middleware removed where Shopify Plus handles the function natively. New integration flows tested before go-live. Your data stack works from day one.
Performance Baseline
Core Web Vitals targets locked in before design begins. Largest Contentful Paint, Cumulative Layout Shift, and First Input Delay benchmarks agreed on in the scoping document. Theme built to performance spec, not retrofitted after launch. Lighthouse scores documented at go-live and for 30 days after.
See Technical Search Engine OptimizationClient results
Legacy platform to headless Shopify Plus, without a ranking drop
Annie's Annuals · Specialty Horticulture
A beloved specialty plant nursery with a loyal following and a technically limited PHP-based ecommerce platform that had reached the edge of what it could support.
The problem
- Legacy PHP platform constrained performance and developer velocity
- Mobile experience was capped by the platform architecture, not the design
- New seasonal collections slow to launch, required significant development time
The outcome
Headless
Replatforming to Shopify headless (Next.js + Node.js),
a scalable technical foundation that grows with the brand
- Significantly faster mobile-optimized shopping experience
- Decoupled architecture enables seasonal launches without development bottleneck
- Klaviyo email marketing fully integrated from go-live
Annie's Annuals, live on headless Shopify
Why Redefine for replatforming
Three things most Shopify Plus migration agencies get wrong
Migration agencies are not all equal. The three most common failure points in Shopify Plus replatforming, search engine optimization rankings, data integrity, and integration continuity, are Redefine's core specializations.
01
Search engine optimization preservation is a deliverable, not a promise
Most migration agencies mention search engine optimization as a checkbox. Redefine treats it as a primary deliverable: a fully documented 301 redirect matrix, structured data migration, canonical tag updates, sitemap submission, and 90-day ranking monitoring post-launch. You get the redirects before the migration starts, not after the rankings drop.
301
matrix before migration90-day
ranking monitoringStructured
data migratedShopify
Search Engine Optimization Audit
02
Data integrity validated before anything goes live
Product counts, variant counts, customer records, and order histories are validated against your source platform at every migration stage. Discrepancies are flagged and resolved before DNS cutover. You see a signed data validation report before go-live day. Your historical order data, used for lifetime value models, repurchase sequences, and loyalty programs, arrives intact.
Record
count validationOrder
history preservedSigned
validation report
03
Integrations tested in staging, not discovered at launch
Your enterprise resource planning, customer relationship management, and email platform need to talk to Shopify Plus from day one. Redefine maps every integration in the architecture phase, builds and tests connections in staging, and does a full integration smoke test in the 48 hours before DNS cutover. You find out if something is broken in staging, not when your first post-launch order fails to sync to NetSuite.
Migration questions
Shopify Plus replatforming answered
The questions enterprise teams ask before committing to a Shopify Plus migration.
Not if the migration is executed correctly. Ranking loss in replatforming almost always traces to missing 301 redirects, lost structured data, or broken canonical tags. Redefine builds the complete redirect matrix before migration begins, validates structured data migration, and monitors rankings for 90 days post-launch. We have not seen a client lose organic rankings on a migration we managed.
Most enterprise replatforming programs run 12 to 16 weeks from signed scope to production go-live. The timeline varies based on catalog size, integration complexity, theme customization depth, and data volume. Magento migrations tend to take longer than BigCommerce due to URL structure complexity. A Shopify theme-only migration with a standard integration set lands in 10 to 12 weeks.
Yes, in most cases. Shopify Plus has native connectors for the most common enterprise resource planning (NetSuite, Dynamics 365, SAP) and customer relationship management (Salesforce, HubSpot) platforms, plus a robust application programming interface for custom integrations. We audit your existing integration stack in the discovery phase and map each connection to its Shopify Plus equivalent or replacement. Integrations that Shopify Plus handles natively often mean removing a middleware layer entirely, which reduces cost and failure points.
All customer records and order history migrate to Shopify Plus. Customer passwords cannot be migrated directly due to encryption differences, we implement a password reset flow that prompts existing customers to set a new password at first login, while preserving their account and purchase history. Orders import with full line item, shipping, and payment data, so your lifetime value models and repurchase sequences work immediately.
Yes. We use a blue/green deployment approach: your new Shopify Plus store is fully built, tested, and running in staging while your current store stays live and continues taking orders. DNS cutover takes under 60 seconds. Instant rollback is available for 48 hours. The window when neither store is definitively live is under two minutes. For most stores, this is effectively zero perceived downtime.
Start your migration
See your Shopify Plus migration scoped in a 30-minute call
You describe your current platform, catalog size, and integration stack. We walk through the specific risks, timeline, and deliverables for your migration. You leave with a clear scope estimate before any commitment.
Brief received
We will review your migration requirements and send a scoped proposal within 3 business days.
Tell us about your migration
form
Response within 48 hours
Senior review of every brief
Scoped proposal in 3 days
Real migration scope, no guesswork
Zero ranking loss record
100% of migrations, zero organic drops
Full code ownership
Your store, your repository
14 weeks
Average timeline
0 loss
Search engine optimization rankings
0 downtime
Go-live target
