The playbook
Website Migration SEO: Practical Guide
Start with one bounded use of website migration SEO: one page or query record, one responsible owner, and a defined next action. Preserve valuable content and discovery paths during a site move or redesign. A narrow first pass makes it easier to see whether the method works before applying it more widely.
Put the task in context
Create the old-to-new URL map before release, including high-value pages, downloads, and linked resources. Test a representative set in staging and production. After launch, investigate missing destinations and redirect errors separately from expected short-term measurement variability.
Define the result before starting
Write down the intended result in practical terms: preserve valuable content and discovery paths during a site move or redesign. The work should produce a usable page or query record with enough information for the next decision. Use old URL as the starting point and capture new URL, priority, launch check as the work progresses. Choose a scope small enough that the owner can verify it directly.
A three-step implementation process
1. Inventory current URLs and their search value
Begin with the current state. Gather the information required for this decision and record where it came from. For website migration SEO, old URL and new URL should refer to the same item in scope. When they disagree, resolve the mismatch before building on it.
2. Map destinations and test redirects before launch
Turn the first decision into a concrete working change. Compare indexing traffic and errors after release. Keep the reason beside the change so a reviewer can distinguish an intentional choice from an accidental difference. Check the result using a representative real item.
3. Compare indexing traffic and errors after release
Verify that someone else can use the output without guessing. Record the next owner and the remaining uncertainty. Compare the finished state with the original task, and retain the evidence needed to revisit the decision when circumstances change.
Avoid the failure that changes the outcome
Launching without a complete mapping of important old pages. Restore missing destinations and repair mappings using the inventory. Correct the cause before adding more activity. Otherwise the same problem will be repeated across a larger set of pages, records, or campaigns.
Keep a compact working record
| Field | What to record |
|---|---|
| old URL | The current old URL for the item being worked on; include the source when it could be disputed. |
| new URL | The current new URL for the item being worked on; include the source when it could be disputed. |
| priority | The current priority for the item being worked on; include the source when it could be disputed. |
| launch check | The current launch check for the item being worked on; include the source when it could be disputed. |
Review the outcome
Use priority migrated URLs passing checks as the outcome to define, then record a baseline and a comparable follow-up observation. Do not assume that finishing the task proves an improvement. Look at whether the intended user or receiving team can now complete the next step with less uncertainty.
Use query and landing-page context when comparing results. A page serving a broad informational query has a different job from a page answering a purchase question. Review whether the next step remains useful to the person arriving.
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