Compress File Types

Category: Caching

Purpose: Defines the file formats that are eligible for edge server compression.

Edge server compression should only be defined by either Rules Engine or on the Compression page. Attempting to configure edge server compression through both Rules Engine and the Compression page will create an invalid configuration that will not be applied to your account. Furthermore, no additional configuration changes will be applied to your account until this conflict is resolved.

A file format can be specified using its media type (aka content type). Media type is platform-independent metadata that allows our servers to identify the file format of a particular asset. A list of common media types is provided below.

Media Type	Description
text/plain	Plain text files
text/html	HTML files
text/css	Cascading Style Sheets (CSS)
application/x-javascript	JavaScript
application/javascript	JavaScript

Key information:

Specify multiple media types by delimiting each one with a single space.
This feature will only compress assets whose size is less than 1 MB. Larger assets will not be compressed by our servers.
Certain types of content, such as images, video, and audio media assets (e.g., JPG, MP3, MP4, etc.), are already compressed. Additional compression on these types of assets will not significantly diminish file size. Therefore, the compression of these types of assets is not recommended.
Wildcard characters, such as asterisks, are not supported.
Edge server compression should only be defined by either Rules Engine or on the Compression page. Before adding this feature to a rule, make sure to set the Compression Disabled option on the Compression page for the platform to which this rule will be applied.