HTTP status
HTTP 203 Non-Authoritative Information
- 203 Non-Authoritative Information
- Success
- RFC 9110
HTTP 203 Non-Authoritative Information is a success response: the response was modified by a proxy. It is defined in RFC 9110, and the request was received, understood and accepted.
What it means
Status code203
Reason phraseNon-Authoritative Informationadvisory only; clients must not depend on the wording
Class2xx Success
MeaningThe response was modified by a proxy
Defined inRFC 9110
Cacheable by defaultYesheuristically cacheable without explicit headers (RFC 9110 §15.1)
How clients behave
Indicates an errorNo
Whose faultNeither, it succeeded
Body expectedUsually
The 2xx class
Class meaningThe request was received, understood and accepted
Codes in this class10
Lowest in class200
Highest in class226
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