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-Id 122,506
Percentage of websites that use X-Amz-Cf-Id header 1.14%
Total discovered header values 122,496
Header uses directives No
Header values are unique or random Yes
Most popular in the country United States of America

Connected technologies

Technologies that utilize the header

Amazon Cloudfront, category Content Delivery Networks, total 122,564 websites

Distribution by websites popularity

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

Top 10k sites 909 websites
Top 100k sites 2,942 websites
Top 1m sites 19,788 websites

Websites utilizing X-Amz-Cf-Id

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

Domain Country Rank Contacts
flickr.com United States of America 43
soundcloud.com United States of America 45
www.imdb.com United States of America 55
telegraph.co.uk United States of America 64
www.meetup.com United States of America 83
www.amazon.de United States of America 90
See full domain list
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

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

Header value Value prevalence
KNWE_JCLix4dkREKpNyXkMJZdRTlePRj1zsvq0bn12B2ln5ejdmloA== 0.00%
dWEm5BdQKtNmaso0-_JHjvuVCxULPnTfkecUKuAuiJ0U-3Eksp-DYw== 0.00%
NMMxfbzQOoy0jPWL8jRei7ucHgOUtZqM1v-DiVOITKmytuHfLoIfjw== 0.00%
zdvJ870eh6cJ8PhSudbAEfNwfsOAGttBhqWJ64h5CzKGEE_802g66A== 0.00%
hu7dlt9mW555Dzgy-4IVw-fOhalYY1He_6a6UjSP85l62ZOsiF1WFg== 0.00%
AbNCd3MzHgOXvMvPsI9KIp4Tb3XAiwxWt3Thm2xdspEok7pbGr66zg== 0.00%
__6_JTGR3qm7zFbne-wQZzhL893SU9AEsLHCC5mMNtx9PlLyrZXLIw== 0.00%
__6H2baoFJ4CFEwiNgVosCy7VR0BLJdsehfAowtndNKr_OLdcWwvkg== 0.00%
__AlQ66EJUdrZOJTK2Fm0CoDFnF0fXIvRLS0LoOh6u7W0Ank2J8tsw== 0.00%
__BoOfiP8L6KlnYrVCoboMp6kKCqvw3TbOTM_J24XiIVVgrmgAJE2w== 0.00%
__br-VSldqB-9d1_mkyIXzjGi2JHKEM3MD1ceNHr2rUzG-awdNT6xg== 0.00%
__ddOjR0sgZzK_VMJSjRkFiPQxmKcksCAk3GnjWNOzkUuM_sNMsA5A== 0.00%
__DI2azuEZSS5QnXc3dNQKGJcR2rLRGPT99gt4MxVTJCTZrqArF_nA== 0.00%
__j-bWBoRV8YucfYpMg_twndjwRR7F5uPS21ZVDyxugdXY3bPI3dIQ== 0.00%
__jP-vPPtjoDRd3Xq74sZfT8nTvlZks5jAC-r2ygn3I-kq_YM9bkrw== 0.00%
__jrWLwvdwwjIpZgPqsLXXZR0TvCY9NYzJdzxGEsPaBB4Vj-k3OaHQ== 0.00%
__k2fXTBo8FySxWvX9RVrM7yK_NLis5E4J7fIcKBbdVCsIGb7a-7CA== 0.00%
__l60ygB6jiyAwp1J-C48WwZAzE70YoKtiE7jSFqXo6EsiIzLkdS3g== 0.00%
ZzzH1fED5XSaBFn8eV7TUdP6dCvYebFpavkOUBbsin_ggRbWafWZJA== 0.00%
__MliVlzDJGrLIC0YWvVFN_8fDbvlwZzh2u_CjkoB3ZcDFXUgrbHZQ== 0.00%