Source-referenced editorial guide; illustrative scenarios, no claim of hands-on product tests or measured results.
Stale-while-revalidate can let readers use an existing response while fresh data is retrieved. It is useful only when a short period of outdated…
Decide how old is acceptable
Stale-while-revalidate can let readers use an existing response while fresh data is retrieved. It is useful only when a short period of outdated information is acceptable. Define freshness for the specific data instead of applying the same policy to public descriptions, account permissions and payment state.
Make the distinction between cache age and a scheduled background job clear. Expiry often needs a subsequent request to trigger revalidation; it is not automatically a timer that runs without visitors.
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