Server User Agents

This is a complete listing of Server user agents. Click on the user agent to view detailed information about it.

User agent Software Software Type OS Popularity
Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) Googlebot 2.1 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html) Baidu Spider 2.0 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) BingBot 2.0 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; MJ12bot/v1.4.5; http://www.majestic12.co.uk/bot.php?+) Majestic-12 Distributed Search Bot 1.4 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp) Yahoo! Slurp Web Crawler Bot Bot - Crawler -- Very common
Mozilla/5.0 (compatible; AhrefsBot/5.2; +http://ahrefs.com/robot/) Ahrefs Backlink Research Bot 5.2 Bot - Crawler -- Very common
Apache/2.4.7 (Unix) OpenSSL/1.0.1e PHP/5.4.22 mod_perl/2.0.8-dev Perl/v5.16.3 (internal dummy connection) None -- Very common
Mozilla/5.0 (compatible; DotBot/1.1; http://www.opensiteexplorer.org/dotbot, help@moz.com) OpenSiteExplorer Crawler Bot - Crawler -- Very common
Mozilla/5.0 (compatible; MJ12bot/v1.4.7; http://mj12bot.com/) Majestic-12 Distributed Search Bot 1.4 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots) Yandex Search Bot 3 Bot - Crawler -- Very common
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 Mobile Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) Googlebot 2.1 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/) Majestic-12 Distributed Search Bot 1.4 Bot - Crawler -- Very common
Googlebot-Image/1.0 Googlebot Bot - Crawler -- Very common
Mozilla/5.0 (Windows NT 5.1; rv:11.0) Gecko Firefox/11.0 (via ggpht.com GoogleImageProxy) Google Image Proxy 11 Bot - Crawler Windows Very common
Mozilla/5.0 (compatible; Yahoo! Slurp/3.0; http://help.yahoo.com/help/us/ysearch/slurp) Yahoo! Slurp Web Crawler Bot Bot - Crawler -- Very common
msnbot/1.0 (+http://search.msn.com/msnbot.htm) MSN Bot 1.0 Bot - Crawler -- Very common
msnbot/2.0b (+http://search.msn.com/msnbot.htm) MSN Bot 2.0b Bot - Crawler -- Very common
Mozilla/5.0 (compatible; AhrefsBot/5.0; +http://ahrefs.com/robot/) Ahrefs Backlink Research Bot 5 Bot - Crawler -- Very common
Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) BingBot 2.0 Bot - Crawler -- Very common
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b BingPreview 1.0b Bot - Crawler -- Very common
Mozilla/5.0 (compatible; AhrefsBot/5.1; +http://ahrefs.com/robot/) Ahrefs Backlink Research Bot 5.1 Bot - Crawler -- Very common
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 DejaClick/2.9.7.2 AlertSite Monitoring Bot 2.9 Bot - Site Monitor -- Very common
msnbot/1.1 (+http://search.msn.com/msnbot.htm) MSN Bot 1.1 Bot - Crawler -- Very common
Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53 BingPreview/1.0b BingPreview 1.0b Bot - Crawler -- Very common
Baiduspider+(+http://www.baidu.com/search/spider.htm) Baidu Spider Bot - Crawler -- Very common
Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1) VoilaBot BETA 1.2 (support.voilabot@orange-ftgroup.com) VoilaBot Beta 1.2 Bot - Crawler -- Very common
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php) Facebook Bot 1.1 Bot - Crawler -- Very common
Googlebot/2.1 (+http://www.google.com/bot.html) Googlebot 2.1 Bot - Crawler -- Very common
msnbot-media/1.0 (+http://search.msn.com/msnbot.htm) MSN Media Bot 1.0 Bot - Crawler -- Very common
Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7 (compatible; Googlebot-Mobile/2.1; +http://www.google.com/bot.html) Googlebot Mobile 2.1 Bot - Crawler -- Very common
msnbot-media/1.1 (+http://search.msn.com/msnbot.htm) MSN Media Bot 1.1 Bot - Crawler -- Very common
Jakarta Commons-HttpClient/3.1 Jakarta Commons HttpClient 3.1 Application - Software Library -- Very common
msnbot/0.01 (+http://search.msn.com/msnbot.htm) MSN Bot 0.01 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; DotBot/1.1; http://www.dotnetdotcom.org/, crawler@dotnetdotcom.org) DotNetDotComDotOrg Crawler 1.1 Bot - Crawler -- Very common
Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07) Sogou "Search Dog" 4 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; Exabot/3.0; +http://www.exabot.com/go/robot) ExaLead Crawler 3 Bot - Crawler -- Very common
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html) Safari/537.36 Googlebot 2.1 Bot - Crawler -- Very common
Mozilla/5.0 (iPhone; CPU iPhone OS 8_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12F70 Safari/600.1.4 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) Googlebot 2.1 Bot - Crawler -- Very common
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.75 Safari/537.36 Google Favicon Google Favicon Crawler Bot - Crawler -- Very common
msnbot/0.3 (+http://search.msn.com/msnbot.htm) MSN Bot 0.3 Bot - Crawler -- Very common
Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1) VoilaBot BETA 1.2 (http://www.voila.com/) VoilaBot Beta 1.2 Bot - Crawler -- Very common
Mozilla/4.0 (compatible; MSIE 5.0; Windows 95) VoilaBot BETA 1.2 (http://www.voila.com/) VoilaBot Beta 1.2 Bot - Crawler -- Very common
YahooMailProxy; https://help.yahoo.com/kb/yahoo-mail-proxy-SLN28749.html Yahoo! Slurp Web Crawler Bot Bot - Crawler -- Very common
Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25 (compatible; Googlebot/2.1; +http://www.google.com/bot.html) Googlebot 2.1 Bot - Crawler -- Very common
Mozilla/5.0 (compatible; MJ12bot/v1.4.3; http://www.majestic12.co.uk/bot.php?+) Majestic-12 Distributed Search Bot 1.4 Bot - Crawler -- Very common
Yahoo-MMCrawler/3.x (mms dash mmcrawler dash support at yahoo dash inc dot com) Yahoo! Slurp Web Crawler Bot Bot - Crawler -- Very common
ia_archiver Alexa Bot Bot - Crawler -- Very common
Mozilla/5.0 (compatible; AhrefsBot/4.0; +http://ahrefs.com/robot/) Ahrefs Backlink Research Bot 4 Bot - Crawler -- Very common
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36 DejaClick/2.6.6.2 AlertSite Monitoring Bot 2.6 Bot - Site Monitor -- Very common
Mozilla/5.0 (compatible; DuckDuckGo-Favicons-Bot/1.0; +http://duckduckgo.com) DuckDuckGo Favicons Bot 1.0 Bot - Crawler -- Very common

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