X-Amz-Cf-Id

HTTP response header

CloudFront adds the X-Amz-Cf-Id header to the viewer request before forwarding the request to your origin. The header value contains an encrypted string that uniquely identifies the request. (Describes how CloudFront processes viewer requests and responses for your custom origin server)

Header usage statistics

X-Amz-Cf-Id response header information and usage statistics.

Websites using header X-Amz-Cf-Id673,357
Percentage of websites that use X-Amz-Cf-Id header0.68%
Total discovered header valuesMore than 10,000
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

X-Amz-Cf-Id Directives

X-Amz-Cf-Id directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

Amazon Cloudfront, category Content Delivery Networks, total 673,596 websites

Distribution by websites popularity

X-Amz-Cf-Id detection in the top websites by popularity

Top 10k sites1,014 websites
Top 100k sites7,470 websites
Top 1m sites41,076 websites

Websites utilizing X-Amz-Cf-Id

List of websites that use X-Amz-Cf-Id header

See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common X-Amz-Cf-Id header values

Header valueValue prevalence
Amazon Cloudfront0.00%
b29MQPM3PUmFKuIbbju_Ot8ETbEOfEKuE3nNTW4DdI12fCyYPryYlw==0.00%
Zm_iZK5E3-4LC1Ib13UW_34qw7FZCHe1OkBo2NcLBUzIBdXWltceDA==0.00%
f5ia1gOD1cc3iKmUFoTYZR5tRp299rIHXsuS-hb4yV0arNZ2mOFhVw==0.00%
cpQYo_gcsV2OgCqGrGVN0RY3mb1g7pKeW4EgRslhSqqIrKu5NWVIng==0.00%
cSRGnq3Q4PD8ttt9dLD24TT2YrSk21RP4lt62ioP7VrICdET7V1YRA==0.00%
CtsEH7_KQ5yf2LQM4TNLiEjUavO2mWjwAez9sPj8Ws5MUdPUz-2G-g==0.00%
UPNiWaugBqjhBvbOSbYzSW2EWJ7K4ejqapLZqAO8y694MDFuhQP56w==0.00%
czthDZk0lRS4S3N_DAPHPVdMOsS-eHlg3UHijK8aoWMkue1mdDvhKg==0.00%
9BZzZrfeI6Mr5R9tReY-AHgtyIc5hzVDDPVJh73tRjWokcmKclgBhQ==0.00%
b0CLL_qCZOr-etAnQxeyus18SySCue5V2jHDYQfhJqjOp5z7NKRbdQ==0.00%
oI2HlkAJetVKkASKNktc0UzIpdBUKoR_B8puVUyfSwdIKxX_TtgeaA==0.00%
JYyrJXQGSo1SLhVdrqCzA_yH3CEgrMhJgzCQWxMjkmDWh1cUUyfBWQ==0.00%
AlpB-m5JfnYQC_iJcmQIOcsNQuW7EiIilW4rVocIQGmBIyGMPTg-Xg==0.00%
cZe4QYO4xpLZSBUfF0DwVcbtz3_bErlxerOmItDVdiTJcQLZt_DXqA==0.00%
7W7K_FZELfSQPxazJ2GxbqOQdtQv39qg8VRbOEyqaOHNuQ_DHDKPiQ==0.00%
DP31xOY7ebWnlPBltO5TdwJEhiFwETFTyl2w-WURk8cqg89tfDGs_g==0.00%
LY_wYCaUQnRxVabZ1vThlI3hPRPLp0jkYKUtGtdVC7d0FRBU4xQ9oA==0.00%
CbZyZbzHtmI12GGWarVRnC8NNB9CXO__iCnnq-vbnAoV39VBcmz3EA==0.00%
4YKuhs4jakH_ky5PHvcGq1AIvh2Bgr8Ct0t2PrMAzl7wwqqCepVwTw==0.00%