When does a server return 304 Not Modified?
QuizMedium
When does a server answer 304 Not Modified?
- For a conditional GET or HEAD (the client asks "send it only if it changed"), for example with If-None-Match holding the ETag (a version tag) the client already has, when the resource has not changed
- When a PUT made no changes to the resource
- When the resource has moved to a new URL
- When the server is under maintenance
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