HTTP response header

Header usage statistics

x-forwarded-for response header information and usage statistics.

Websites using header x-forwarded-for 5,596
Percentage of websites that use x-forwarded-for header <0.1%
Total discovered header values 419
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

x-forwarded-for Often Used Together:

Distribution by websites popularity

x-forwarded-for detection in the top websites by popularity

Top 10k sites 7 websites
Top 100k sites 39 websites
Top 1m sites 262 websites

Websites utilizing x-forwarded-for

List of websites that use x-forwarded-for header

Domain Country Rank Contacts
www.newsweek.com United States of America 720
www.drugabuse.gov United States of America 1,724
grabcad.com United States of America 1,853
geekhack.org United States of America 3,920
partypoker.com Austria 4,942
events.opensuse.org Germany 5,635
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Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common x-forwarded-for header values

Header value Value prevalence 31.45% 30.16%
(null) 24.43% 0.82%
::ffff: 0.63%
1 0.54%
X-Forwarded-For 0.45%
undefined 0.39%, 0.30%,, 0.29% 0.25%, 0.23%,, 0.23% 0.21% 0.20%, 0.18%,, 0.16%,, 0.14%
::ffff: 0.14%
nosniff 0.11%