URLs will change
Create an old-to-new destination map and identify pages with no appropriate replacement.
Website migration
Website migration SEO.Move forward with a plan.
Plan URL, platform, and content changes before they go live. Allure SEO supports migrations with a search baseline, redirect mapping, launch checks, and post-release monitoring.
- Before
- Launch
- After
The business problem
A cleaner website can still lose the pages customers used to find.
A redesign may change URLs, navigation, content, and tracking at once. Without a shared plan, valuable entry points can disappear. We identify what needs to be preserved and which changes require careful validation before launch.
A closer look at the work
A migration needs release gates, not just redirects.
Moving a site can change many things at once. We organize the SEO work around decisions that must be made before release and checks that must continue afterward.
Before release
Inventory important URLs and agree the destination, preservation, or removal decision.
Release review
Check redirects, important page content, internal links, and intended indexing controls.
After release
Monitor known priority URLs, investigate failures, and record remediation ownership.
Plan the right work
Inventory what must survive the move.
A migration can change URLs, templates, navigation, content, tracking, or several of these at once. We establish the existing estate and identify important destinations, links, content, and measurement requirements before launch planning.
The inventory distinguishes pages to preserve, consolidate, replace, or retire, with a reason for each decision. High-value service and product destinations receive particular attention. Without that record, a visually successful redesign can quietly remove the content and routes that supported search discovery and customer evaluation.
Your scope of work
Separate the workstreams. Connect the decisions.
| Workstream | Included review |
|---|---|
| Pre-migration inventory | Record priority URLs, content, backlinks where available, search performance, and conversion paths. Establish the baseline against which the new site will be assessed. |
| Mapping and staging review | Map old URLs to relevant destinations and review redirects, canonical signals, internal links, and staging controls. Flag gaps while there is still time to fix them. |
| Launch and monitoring | Check representative journeys and tracking after release. Monitor errors, indexation signals, and performance changes so the team can respond to actual issues. |
Make the improvement useful
Make launch readiness a set of checks, not a date.
The launch checklist connects redirect behavior, destination availability, internal links, canonical signals, indexability, sitemaps, and measurement continuity to representative URLs. Staging restrictions and production settings are considered separately.
We agree which issues are launch blockers and who can resolve them, so the team is not deciding acceptance criteria under deadline pressure. Where the migration is phased, the checks also cover mixed old and new environments. A readiness review should make remaining risk understandable rather than promise that every search metric will remain unchanged.
Choose your starting point
Migration decisions belong before launch day.
Content will be consolidated
Review business value, links, and page purpose before removing useful material.
Templates or platforms will change
Define staging checks and production validation for the new implementation.
Your implementation handoff
Protect the important journeys.
Your migration workstream includes a baseline inventory, redirect mapping requirements, a launch checklist, and a post-launch issue register. High-value pages receive explicit acceptance checks so they are not lost in a sitewide average.
We coordinate with the launch owner on dependencies and escalation paths. Search systems still need to process the move; monitoring helps distinguish expected change from an implementation problem that needs attention.
Connect the next decision
Do not redirect every removed page to the homepage.
The old destination
Know what the existing URL provides and why it matters.
The new destination
Agree where its useful content and customer journey belong.
A redirect should take the visitor to a relevant replacement where one exists. Some content should be retained; other URLs may have no suitable substitute. We make those decisions in the mapping process instead of hiding them in a blanket rule.
Further reading: Google’s site migration guidance.
Keep the work accountable
Watch the right signals after release.
Post-launch review begins with implementation: are key destinations available, do redirects reach appropriate pages, and can the customer complete the intended journey? Search and conversion data are then monitored with the migration date and measurement changes in view. Unexpected patterns are segmented by template and destination rather than hidden inside total traffic.
The issue log prioritizes corrections that affect access or important commercial pages. Continued review helps distinguish a persistent defect from ordinary variation, while avoiding unsupported claims that every short-term change has a single cause.
Evidence you can review
Priority destination checks passed
Redirect and destination accuracy
Availability of priority organic entry pages
Post-launch search and conversion changes against baseline
Acceptance coverage is not traffic retention. A technically correct migration can still experience search fluctuations and needs ongoing monitoring.
Illustrative calculation
Priority destination checks passed
Sample figures explain the measurement. These are not client results, benchmarks, or a forecast.
Acceptance coverage is not traffic retention. A technically correct migration can still experience search fluctuations and needs ongoing monitoring.
Map the pages that should not have a direct replacement.
Not every old URL deserves a redirect to the homepage. Some pages have a clear successor, some need consolidation, and others represent content the business no longer offers.
We review the purpose and available evidence for each important page group before assigning a destination. The mapping records the reason for the decision and highlights cases needing stakeholder approval. That makes the redirect plan easier to review and avoids disguising unresolved content decisions as technical implementation.
Account for the content that is easy to forget.
PDFs, images, campaign pages, and older subdomains can sit outside the main migration inventory while still receiving visits or links. Their owners may be different from the main website team.
The discovery scope identifies these assets and decides which ones move, remain available, or need a deliberate retirement plan. We also check whether internal references will continue pointing to the correct destination. A migration is easier to maintain when exceptional assets have explicit decisions instead of being left for launch-day discovery.
Plan the launch around the people who can respond.
A migration can need quick decisions from development, hosting, content, and business owners. If those people are unavailable, a minor issue can remain live longer than necessary.
We help organize the checks by owner and agree how findings will be triaged. The release plan distinguishes issues that require immediate correction from observations that need follow-up evidence. Rollback decisions belong with the authorized release team and should be considered before the new site becomes the public destination.
Keep a record of the first weeks after launch.
A successful launch-day check does not replace follow-up. Newly discovered URLs, delayed corrections, and changes in reporting can make the post-launch picture difficult to interpret.
We retain the release timeline and review important page groups against their intended behavior. Tracking changes are documented separately from traffic changes. The aim is to identify unresolved migration issues and route them to the right owner, while avoiding claims that every movement is either a migration failure or an SEO improvement.
A clearer decision
Questions about website migration.
When should an SEO specialist join a migration?
Before URLs, architecture, and content decisions are finalized. Early involvement makes the review more useful and reduces avoidable rework.
Can you guarantee no traffic loss?
No. Search systems need to process changes, and migrations carry uncertainty. Planning and monitoring help reduce preventable problems.
Do you support domain and CMS changes?
Yes. The scope can cover domain moves, platform changes, redesigns, or combined migrations, with checks tailored to the actual changes.
Can you join a migration that is already underway?
Yes, but the remaining timeline affects what can be reviewed before launch. We first identify irreversible decisions, high-value pages, and critical dependencies, then agree on a realistic pre-launch and post-launch scope.