What to change
A preferred address can be supplied by both page markup and the hosting response. Ask the two technical owners to compare those values in the public response, including any cached version. Choose one coherent policy and remove the disagreement at its source. A useful handover identifies where each setting lives, so a future hosting change cannot restore the conflict without the page editor noticing.
A worked example
Illustrative example
Illustrative test: Compare a direct origin response with the public cached response where supported.
How to check the result
Public responses provide a coherent canonical preference across both mechanisms.
A mistake to avoid
Reviewing source HTML alone misses headers added by hosting infrastructure.
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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