How to Migrate a Short-Link Domain Without Breaking Existing Links
A step-by-step plan for moving link infrastructure to a new domain while preserving published URLs and useful redirect behavior.
A step-by-step plan for moving link infrastructure to a new domain while preserving published URLs and useful redirect behavior.
Moving a public website to a new domain is challenging. Moving a short-link service can be even more sensitive because thousands of previously published addresses may rely on the old domain continuing to redirect.
Define what is moving
Start by distinguishing the marketing website from the redirect domain. You might move your dashboard and documentation while continuing to serve old short links. You might also introduce a new short domain for future campaigns without replacing the old links.
Inventory everything before migration
- Active short codes and their current destinations.
- Custom aliases and case-sensitivity rules.
- Custom domains owned by clients.
- Expired, disabled, or blocked links.
- Click analytics and retention requirements.
- API clients and integrations that use the old service.
- Locations where links are printed or embedded.
Do not assume you can redirect away the old short domain
If old.example/abc already directs to a customer's landing page, a blanket redirect of the entire domain to your new homepage would break the promise of that URL. It may be better to retain the old redirect service and move only the dashboard and marketing pages.
Prepare the new infrastructure
- Back up the redirect database and verify a restore.
- Deploy the new service in a staging environment.
- Import mappings and preserve status and ownership information.
- Test representative links, including edge cases and disabled links.
- Lower DNS TTL ahead of the change if appropriate.
- Plan rollback and maintain access to the old domain.
Protect the user experience
Published short links should continue reaching their intended destinations. Existing QR codes cannot be updated once printed, so any migration that changes a printed short URL must consider the old address permanent from the user's point of view.
SEO considerations for the public website
For HTML pages that genuinely move to new addresses, Google's site migration guidance recommends URL mapping, permanent server-side redirects, and updated canonical and sitemap signals. Do not apply a blanket SEO page-migration rule to every short redirect: those URLs have a different purpose.
Check analytics continuity
Historical clicks are not automatically transferred with DNS changes. Define whether reporting remains aggregated across both domains, whether time-series comparisons are valid, and how you label legacy versus new links.
Test cases after launch
| Test | Expected result |
|---|---|
| Old active short link | Reaches its original permitted destination |
| Unknown short code | Appropriate not-found response |
| Disabled abusive link | Remains blocked |
| New short link | Redirects correctly and records expected events |
| Old marketing article | Moves to a relevant new page if migrated |
Frequently Asked Questions
Can I let the old domain expire after moving?
That is risky if existing public links depend on it. Evaluate ongoing link traffic and contractual obligations before retiring it.
Will a new domain fix a reputation problem?
Not automatically. Abuse controls, monitoring, and legitimate link destinations matter regardless of the domain name.
Conclusion
A successful migration preserves user expectations first. Keep old short links functional where possible, separate website SEO migration from redirect-service migration, and test every critical behavior before changing production traffic.