桌面
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IE
而IE各个版本典型的userAgent如下：
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Mozilla/4.0 (compatible; MSIE 5.0; Windows NT)
其中，版本号是MSIE之后的数字。
注：
MSIE后面跟的数字为IE的版本号，如MSIE 8.0代表IE8, Windows NT 6.1 对应操作系统 windows 7
Windows NT 6.0 对应操作系统 windows vista
Windows NT 5.2 对应操作系统 windows 2003
Windows NT 5.1 对应操作系统 windows xp
Windows NT 5.0 对应操作系统 windows 2000
UNIX/LINUX下的为X11代替，具体可以从网上找下，百度百科上也有的。
Firefox
Firefox几个版本的userAgent大致如下：
Mozilla/5.0 (Windows; U; Windows NT 5.2) Gecko/2008070208 Firefox/3.0.1
Mozilla/5.0 (Windows; U; Windows NT 5.1) Gecko/20070309 Firefox/2.0.0.3
Mozilla/5.0 (Windows; U; Windows NT 5.1) Gecko/20070803 Firefox/1.5.0.12 其中，版本号是Firefox之后的数字。
注：N: 表示无安全加密 I: 表示弱安全加密 U: 表示强安全加密 上面的U代表加密等级
Opera
Opera典型的userAgent如下：
Opera/9.27 (Windows NT 5.2; U; zh-cn)
Opera/8.0 (Macintosh; PPC Mac OS X; U; en)
Mozilla/5.0 (Macintosh; PPC Mac OS X; U; en) Opera 8.0
其中，版本号是靠近Opera的数字。
Safari
Safari典型的userAgent如下：
Mozilla/5.0 (Windows; U; Windows NT 5.2) AppleWebKit/525.13 (KHTML, like Gecko) Version/3.1 Safari/525.13
Mozilla/5.0 (iPhone; U; CPU like Mac OS X) AppleWebKit/420.1 (KHTML, like Gecko) Version/3.0 Mobile/4A93 Safari/419.3
其版本号是Version之后的数字。
Chrome
目前，Chrome的userAgent是：
Mozilla/5.0 (Windows; U; Windows NT 5.2) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.27 Safari/525.13
其中，版本号在Chrome之后的数字。
Navigator
目前，Navigator的userAgent是：
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080219 Firefox/2.0.0.12 Navigator/9.0.0.6
其中，版本号在Navigator之后的数字。
360SE Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; 360SE)
360
[USER_AGENT] => Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; 360SE)
360极速浏览器
[USER_AGENT] => Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; QIHU 360EE)
傲游浏览器
[USER_AGENT] => Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; Maxthon/3.0)
TT
[USER_AGENT] => Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; TencentTraveler 4.0; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) )
safari
[USER_AGENT] => Mozilla/5.0 (Windows NT 5.1) AppleWebKit/534.55.3 (KHTML, like Gecko) Version/5.1.5 Safari/534.55.3
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移动
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安卓 QQ浏览器
Mozilla/5.0 (Linux; U; Android 4.0.3; zh-cn; M032 Build/IML74K) AppleWebKit/533.1 (KHTML, like Gecko)Version/4.0 MQQBrowser/4.1 Mobile Safari/533.1
安卓 原生浏览器
Mozilla/5.0 (Linux; U; Android 4.0.3; zh-cn; M032 Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30
安卓 UC
Mozilla/5.0 (Linux; U; Android 4.0.3; zh-cn; M032 Build/IML74K) UC AppleWebKit/534.31 (KHTML, like Gecko) Mobile Safari/534.31
安卓 Opera
Opera/9.80 (Android 4.0.3; Linux; Opera Mobi/ADR-1210241554) Presto/2.11.355 Version/12.10
三星手机
SAMSUNG-SGH-G508E/G508EZCIG2 SHP/VPP/R5 NetFront/3.4 Qtv5.3 SMM-MMS/1.2.0 profile/MIDP-2.0 configuration/CLDC-1.1
iphone safria
Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3
iphone QQ
MQQBrowser/38 (iOS 4; U; CPU like Mac OS X; zh-cn)
iphone UC
IUC(U;iOS 5.1.1;Zh-cn;320*480;)/UCWEB8.9.1.271/42/800
塞班 自带浏览器
Nokia5320/04.13 (SymbianOS/9.3; U; Series60/3.2 Mozilla/5.0; Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413
塞班 QQ浏览器
Nokia5320(19.01)/SymbianOS/9.1 Series60/3.0
上面转自https://my.oschina.net/sub/blog/203139
智能设备useragent:
Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_2 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5
Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_2 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5
MQQBrowser/25 (Linux; U; 2.3.3; zh-cn; HTC Desire S Build/GRI40;480*800)
Mozilla/5.0 (Linux; U; Android 2.3.3; zh-cn; HTC_DesireS_S510e Build/GRI40) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1
Mozilla/5.0 (SymbianOS/9.3; U; Series60/3.2 NokiaE75-1 /110.48.125 Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413
Mozilla/5.0 (iPad; U; CPU OS 4_3_3 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Mobile/8J2
Mozilla/5.0 (Windows NT 5.2) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122 Safari/534.30
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.51.22 (KHTML, like Gecko) Version/5.1.1 Safari/534.51.22
Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A5313e Safari/7534.48.3
Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A5313e Safari/7534.48.3
Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A5313e Safari/7534.48.3
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1
Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; SAMSUNG; OMNIA7) ----SAMSUNG MP7
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; XBLWP7; ZuneWP7) ----HTC MP7
