Content-Encoding

E200847

Content-Encoding is an HTTP header that specifies the compression or transformation applied to the body of a message so that recipients know how to decode it.

All labels observed (1)

Label Occurrences
Content-Encoding canonical 2

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf HTTP header field ⓘ
appliesTo HTTP message body ⓘ
HTTP request ⓘ
HTTP response ⓘ
canAffect Content-Length value ⓘ
caseInsensitive true ⓘ
defaultBehavior absence means no additional content coding beyond identity ⓘ
definedIn RFC 7231 ⓘ
RFC 9110 ⓘ
distinguishedFrom Transfer-Encoding which applies to message framing ⓘ
example Content-Encoding: br ⓘ
Content-Encoding: deflate ⓘ
Content-Encoding: gzip ⓘ
Content-Encoding: gzip, br ⓘ
governedBy HTTP content negotiation ⓘ
hasCategory representation header field ⓘ
headerName Content-Encoding ⓘ
introducedIn HTTP/1.0 extensions ⓘ
mustNotConflictWith Transfer-Encoding semantics ⓘ
partOf HTTP protocol ⓘ
performanceImpact reduces bandwidth at cost of CPU for compression and decompression ⓘ
processingOrder codings are listed in the order in which they were applied ⓘ
processingRequirement recipient must decode in reverse order of codings listed ⓘ
purpose allow recipient to know how to decode the message body ⓘ
indicate what content codings have been applied to the representation ⓘ
redefinedBy HTTP Semantics specification ⓘ
relatedTo Accept-Encoding ⓘ
Content-Length ⓘ
Content-Type ⓘ
Transfer-Encoding ⓘ
requires recipient support for the indicated content codings ⓘ
scope applies only to the enclosed representation ⓘ
securityConsideration can be involved in compression side-channel attacks ⓘ
semantics describes the content codings applied to the payload representation ⓘ
standardizedIn HTTP/1.1 ⓘ
syntax Content-Encoding: <coding1>, <coding2>, ... ⓘ
typicalUse compress HTTP responses to reduce payload size ⓘ
signal that a response body is compressed with gzip ⓘ
usedFor compression ⓘ
transformation of message body ⓘ
usedWith br content coding ⓘ
compress content coding ⓘ
deflate content coding ⓘ
gzip content coding ⓘ
identity content coding ⓘ
valueType list of content codings ⓘ
visibility intermediaries may add or remove content codings ⓘ

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

RFC 7231 → definesHeaderField → Content-Encoding ⓘ
RFC 2068 → definesHeaderField → Content-Encoding ⓘ