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-Agent2,842
Percentage of websites that use X-User-Agent header<0.1%
Total discovered header values43
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country JP

X-User-Agent Directives

X-User-Agent directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

X-User-Agent detection in the top websites by popularity

Top 10k sites3 websites
Top 100k sites19 websites
Top 1m sites116 websites

Websites utilizing X-User-Agent

List of websites that use X-User-Agent header

ameblo.jp JP328
www.garmin.com US6,710
www.manta.com US9,015
santemagazine.fr FR19,342
www.santemagazine.fr FR19,342
www.ig.com.br BR30,349
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-User-Agent header values

Header valueValue prevalence
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.190 Safari/537.363.59%
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/2009021910 Firefox/
Expanse, a Palo Alto Networks company, searches across the global IPv4 space multiple times per day to identify customers&#39; presences on the Internet. If you would like to be excluded from our scans, please send IP addresses/domains to: scaninfo@paloal0.18%
Mozilla/5.0 (compatible;PetalBot;+https://webmaster.petalsearch.com/site/petalbot)0.18%
Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)0.11%
Mozilla/5.0+(compatible; UptimeRobot/2.0; http://www.uptimerobot.com/)0.07%
Mozilla/5.0 (Windows NT 6.3; WOW64; rv:33.0) Gecko/20100101 Firefox/33.00.07%
ias-or/3.1 (+https://www.admantx.com/service-fetcher.html)0.04%
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.2; WOW64; Trident/7.0; .NET4.0E; .NET4.0C)0.04%
Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)0.04%
Mozilla/5.0 (compatible; proximic; +https://www.comscore.com/Web-Crawler)0.04%
Mozilla/5.0 (Linux; Android 12; SAMSUNG SM-G973F) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/17.0 Chrome/96.0.4664.104 Mobile Safari/537.360.04%
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Safari/605.1.150.04%