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media-type

Definition​

A Media type (formerly known as MIME type) is a standard way to indicate the nature and format of a file, in the same way as 'image/jpeg' for JPEG images, used on the internet.

It is a two-part identifier for file formats and format contents transmitted on the internet. Their purpose is somewhat similar to file extensions in that they identify the intended data format.

Standard​

The Internet Assigned Numbers Authority (IANA) is the official authority for the standardization and publication of these classifications.
Source: Wikipedia

Criteria​

The more important criteria are:

  • Standard Format: MIME types must adhere to the format type/subtype
  • Registered with IANA: Although, ideally, MIME types should be registered with the Internet Assigned Numbers Authority (IANA), ensuring they are part of a recognized standard, we consider Experimental or Proposed MIME types as being a valid MIME type as well.