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948 B
set | code | title | references | ||||
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4 | 404 | Not Found |
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The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.
A 404 status code does not indicate whether this lack of representation is temporary or permanent; the 410 Gone status code is preferred over 404 if the origin server knows, presumably through some configurable means, that the condition is likely to be permanent.
A 404 response is cacheable by default; i.e., unless otherwise indicated by the method definition or explicit cache controls1.
- 1 Calculating Heuristic Freshness RFC7234 Section 4.2.2
- Source: RFC7231 6.5.4