Type of media Internet

A standard of media Internet , initially called Type MIME after standard MIME or of contents (content-type in English) is an identifier in two parts to describe the formats of files on Internet. The identifiers are, at the origin, defined in the RFC 2046 for the sending by email through the protocol smtp but their use was extended to other protocols like HTTP and SIP.

A type of media is composed of at least two parts: a standard , a optional sub-type and one or more parameters. For example, the sub-types of the text type can have a parameter charset to specify to them Codage of characters and the sub-types of multipart often define a boundary between the various parts.

The types which start with X are not standard, they are not recorded at the IANA. The sub-types which start with vnd. is specific to their suppliers/creative.

List types of the most current media

IANA manages a register of the types of media and Codage of characters. This organization makes this list available for the public by the Web. The media most usually used on the Web are listed below:
  • Standard audio: its

  • example
  • Standard image: Digital image
  • Type message
  • Type model: standard model 3D
  • multipart: Files and other objects made up of several parts
    • multipart/mixed or multipart/alternative: Standard Multipurpose Internet Email Extensions
  • text: readable text or source code
    • text/css: Style sheets cascades about it
    • text/html; charset=UTF-8: Web page HTML encodé in UTF-8
    • text/javascript: désuet and déconseillé, RFC 4329 replaces this type by application/javascript.
    • text/plain; charset=ISO 8859-1: text encodé with the format ISO 8859 -1
    • text/plain; charset=UTF-8: text encodé with the format Standard UTF-8
  • video: Video
    • video/mpeg: video MPEG-1 with sound multiplexed
    • video/x-ms-wmv: Windows Media Video
    • video/x-shockwave-flash: video Standard Adobe Flash
  • application: various files
    • application/javascript: ECMAScript like Javascript
    • application/octet-stream: arbitrary binary data
    • application/ogg: Ogg (multi-media Format container)
    • application/postscript: program PostScript, often used to define a page to print
    • application/xhtml+xml; charset=UTF-8: XHTML successor of HTML encodé in UTF-8

References

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