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
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.
Standard 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.
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:
audio: its
audio/mpeg: audio MP3 or another track MPEG audio/x-ms-wma: Windows Audio Media audio/x-realaudio: RealAudio audio/x-wav: Standard WAV example image: Digital image
image/gif: image GIF image/jpeg: image JPEG image/png: image Portable Network Graphics image/tiff: image Tagged Image Spins Format message 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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