203Non-Authoritative Information
The request succeeded, but something between you and the origin server modified the response on the way.
Browse all HTTP status codesWhen you see it
Rare in practice. A transforming proxy that strips or rewrites content is supposed to change a 200 into a 203 to be honest about the fact that what arrived is not exactly what the origin sent. Most proxies do not bother.
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Status codes
69 of 69 codes. Click a row to copy it.
1xx Informational (4)
2xx Success (10)
3xx Redirection (8)
4xx Client errors (31)
5xx Server errors (16)