When a corrected image looks unchanged in production, check which file the browser received before uploading it again. The editor, CDN, and browser can each show a different stage of an update.

A Three-Step Cache Investigation

Identify the Requested URL

Inspect the network response and the actual image source. Responsive variants may have their own addresses. A new original does not necessarily regenerate every thumbnail or invalidate a cached response.

Separate Content Editing From Delivery

A make background white edit changes the asset’s pixels. It does not tell your delivery system that those pixels have changed. Compare the exported source with the response served to a fresh browser session.

The MDN HTTP caching guide explains validators, cache lifetimes, and versioned resources.…