What to change
Treat compatibility as part of the rename rather than a later SEO clean-up. Ask the supplier to list representative owned and external incoming routes, their approved successors and the expected behaviour for unmatched material. Test those old entry points after publication, including important downloads or fragments where relevant. This gives the practice evidence about the visitor journey that actually changed, instead of accepting the release solely because the new page opens correctly.
A worked example
Illustrative example
Illustrative test: An old saved service-related guide link reaches its relevant approved successor.
How to check the result
The release preserves or clearly handles the sampled incoming journeys.
A mistake to avoid
A working new address says nothing about people using old bookmarks.
Your action checklist
Use these checks to prepare a discussion with your team or supplier. Tick a check when you have recorded the decision or evidence, rather than when a feature has simply been promised.
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Further reading
These primary sources provide additional context for the project decisions above.
Related decisions
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