X-User-Agent

HTTP response header

A browser's user agent string (UA) helps identify which browser is being used what version and on which operating system

Header usage statistics

X-User-Agent response header information and usage statistics.

Websites using header X-User-Agent 1,326
Percentage of websites that use X-User-Agent header <0.1%
Total discovered header values 17
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-User-Agent detection in the top websites by popularity

Top 10k sites 7 websites
Top 100k sites 23 websites
Top 1m sites 312 websites

Websites utilizing X-User-Agent

List of websites that use X-User-Agent header

Domain Country Rank Contacts
ameblo.jp United States of America 538
fansided.com United States of America 2,924
bjsm.bmj.com United States of America 3,676
bmjopen.bmj.com United States of America 3,744
www.moneytalksnews.com United States of America 5,228
georgeschool.org United States of America 7,268
See full domain list

Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common X-User-Agent header values

Header value Value prevalence
standard 59.05%
desktop 28.43%
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36 5.51%
|standard 4.15%
default 0.83%
Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) 0.60%
standard-- 0.38%
US|standard 0.30%
Mozilla/5.0 (compatible; Nimbostratus-Bot/v1.3.2; http://cloudsystemnetworks.com) 0.15%
Go-http-client/1.1 0.08%
mobile 0.08%
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727) 0.08%
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11) AppleWebKit/601.1.27 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/601.1.27 0.08%
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.79 Safari/537.36 0.08%
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 0.08%
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0 0.08%
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36 0.08%