HTTP response header

X-CDN is an HTTP header which is the name describing the CDN being used. Example values are Incapsula fastly cloudfront and level3. It is simply informational

Header usage statistics

X-Cdn response header information and usage statistics.

Websites using header X-Cdn 158,650
Percentage of websites that use X-Cdn header 0.16%
Total discovered header values 93
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

X-Cdn Often Used Together:

Connected technologies

Technologies that utilize the header

Fastly, category Content Delivery Networks, total 400,779 websites
Akamai, category Content Delivery Networks, total 195,886 websites
Incapsula, category Security Solutions, total 106,185 websites
Imperva CDN, category Security Solutions, total 92,328 websites
ZenEdge, category Security Solutions, total 66,501 websites

Distribution by websites popularity

X-Cdn detection in the top websites by popularity

Top 10k sites 123 websites
Top 100k sites 1,073 websites
Top 1m sites 6,728 websites

Websites utilizing X-Cdn

List of websites that use X-Cdn header

Domain Country Rank Contacts
www.pinterest.com United States of America 32
cdn.shopify.com United States of America 125
assets.pinterest.com United States of America 215
platform.linkedin.com United States of America 456
www.imperva.com United States of America 506
ico.org.uk United States of America 534
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-Cdn header values

Header value Value prevalence
Imperva 58.19%
Served-By-Zenedge 40.69%
WCWS Internet Inc 0.22%
fastly 0.13%
edgecast 0.07%
akamai 0.07%
1 0.06%
nyc-anycast 0.06%
iponly 0.06%
5centsCDN 0.05%
XLabs Security 0.05%
Incapsula 0.03%
Served-By-Akamai 0.03%
Served by myself 0.03%
CPD 0.03%
highwinds 0.02%
CF 0.02%
b1.cfvn66.com 0.02%
AKAM 0.01%
AWSWeb-2 0.01%