HTTP response headers

Service version: 1
Last edit: 2025.01.24
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Important notes:

Purpose

The following data table describes HTTP response headers.

HTTP response headers

HeaderDescription
Content-Encoding

Indicates which encodings were applied to the response body.
Value: gzip

Content-Type

Indicates the media type of the resource returned.
Values:

ETag

Contains an identifier for a specific version of the resource.
Value: string

Cache-Control

Contains directives (instructions) that control caching in browsers and shared caches.
The specific directives vary depending on the resource type and whether the requested asset version contains wildcards. See Assets versioning.
Value: string

Tracking-ID

An identifier for the request. If the Tracking-ID header was specified in the request, it is replicated in the response. Otherwise, it is generated automatically by the service. For details check RFC 4122. It is only meant to be used for support and does not involve tracking of you or your users in any form.
Value: string