HTTP response header

Header usage statistics

X-Backend response header information and usage statistics.

Websites using header X-Backend 68,037
Percentage of websites that use X-Backend header 0.58%
Total discovered header values 1,336
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

X-Backend detection in the top websites by popularity

Top 10k sites 73 websites
Top 100k sites 799 websites
Top 1m sites 6,257 websites

Websites utilizing X-Backend

List of websites that use X-Backend header

Domain Country Rank Contacts
www.forbes.com United States of America 42
www.w3.org United States of America 110
deviantart.com United States of America 115
www.deviantart.com United States of America 115
slack.com United States of America 173
www.vice.com United States of America 258
See full domain list

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common X-Backend header values

Header value Value prevalence
all_requests 78.08%
main_normal main_canary_with_overflow main_control_with_overflow 4.54%
web4 0.89%
portfolio_http_back 0.52%
server1 0.50%
web000021 0.42%
web00001t 0.42%
default 0.41%
web00001u 0.40%
web000020 0.40%
web00001z 0.39%
web00001q 0.39%
web00001s 0.38%
web00001r 0.37%
web00001v 0.37%
web000028 0.36%
web00002b 0.35%
web00002e 0.35%
web00002c 0.34%
web00001p 0.34%