Caching can let a website reuse previously delivered resources, but the update process must account for it. Decide which assets can remain cached and how changes become visible. A site that loads efficiently but continues to show obsolete information has an operational problem.

A practical approach

Coordinate file naming and deployment behaviour with the hosting setup. Different layers may cache content, including the browser and a delivery service. Document where the team should check when an update appears in one place but not another.

Your checklist

  • Identify the cache layers used by the site.
  • Define how changed assets receive fresh versions.
  • Test an update as well as an initial visit.

For example

After replacing a stylesheet, an editor may see the new layout while another visitor sees an older cached copy. A deliberate asset-versioning approach can make updates more predictable than repeatedly telling customers to clear their browser.

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