AWS::CloudFront::ResponseHeadersPolicy ServerTimingHeadersConfig
A configuration for enabling the Server-Timing
header in HTTP responses
sent from CloudFront.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
JSON
{ "Enabled" :
Boolean
, "SamplingRate" :Number
}
YAML
Enabled:
Boolean
SamplingRate:Number
Properties
Enabled
-
A Boolean that determines whether CloudFront adds the
Server-Timing
header to HTTP responses that it sends in response to requests that match a cache behavior that's associated with this response headers policy.Required: Yes
Type: Boolean
Update requires: No interruption
SamplingRate
-
A number 0–100 (inclusive) that specifies the percentage of responses that you want CloudFront to add the
Server-Timing
header to. When you set the sampling rate to 100, CloudFront adds theServer-Timing
header to the HTTP response for every request that matches the cache behavior that this response headers policy is attached to. When you set it to 50, CloudFront adds the header to 50% of the responses for requests that match the cache behavior. You can set the sampling rate to any number 0–100 with up to four decimal places.Required: No
Type: Number
Minimum:
0
Maximum:
100
Update requires: No interruption