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Variant objects in the context of HTTP are objects served by an Origin Content Server in a type of transmitted data variation (ie. uncompressed, compressed, different languages, etc).

HTTP/1.1 (1997-1999)^[1][2] introduces Content/Accept headers. These are used in HTTP requests and responses to state which variant the data is presented in.

Contents 1 Example Scenario 2 See also 3 References 4 External links

[edit] Example Scenario

Client:

 GET /encoded_data.html HTTP/1.1 Host: www.example.com Accept-Encoding: gzip 

Server:

 HTTP/1.1 200 OK  Server: http-example-server Content-Length: 23 Content-Encoding: gzip  <23 bytes of gzip compressed data> 

[edit] See also

• HTTP
• HTTP compression
• List of HTTP headers
• Web cache

[edit] References

[edit] External links

• How Apache handles content negotiation

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