HTTP response header

Header usage statistics

X-Forwarded-For response header information and usage statistics.

Websites using header X-Forwarded-For 11,495
Percentage of websites that use X-Forwarded-For header <0.1%
Total discovered header values 881
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-Forwarded-For detection in the top websites by popularity

Top 10k sites 9 websites
Top 100k sites 72 websites
Top 1m sites 408 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 2,213
www.drugabuse.gov United States of America 5,035
app.icontact.com United States of America 5,647
www.scmagazine.com United States of America 6,777
www.adroll.com United States of America 6,973
ibtimes.co.uk United States of America 7,386
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-Forwarded-For header values

Header value Value prevalence 22.61% 21.24%
(null) 19.63% 19.01%
undefined 1.91% 0.69%
client, proxy1, proxy2 0.62%
::ffff: 0.53%
1 0.46%
robo.market 0.43%
X-Forwarded-For 0.36% 0.31%,, 0.28%, 0.23%, 0.23% 0.20% 0.17%
::ffff: 0.15%,, 0.13% 0.13%