1. Basic knowledge:
Http Header User-Agent
User Agent中文名为用户代理，是Http协议中的一部分，属于头域的组成部分，User Agent也简称UA。它是一个特殊字符串头，是一种向访问网站提供你所使用的浏览器类型及版本、操作系统及版本、浏览器内核、等信息的标识。通过这个标 识，用户所访问的网站可以显示不同的排版从而为用户提供更好的体验或者进行信息统计；例如用手机访问谷歌和电脑访问是不一样的，这些是谷歌根据访问者的 UA来判断的。UA可以进行伪装。
浏览器的UA字串的标准格式：浏览器标识 (操作系统标识; 加密等级标识; 浏览器语言) 渲染引擎标识版本信息。但各个浏览器有所不同。
String description:
1. Browser identification
For compatibility and promotion purposes, many browsers have the same logo, so the browser logo cannot indicate the real version of the browser. The real version information can be found at the end of the UA string.
2. Operating system identification
3. Encryption level identification
N: means no security encryption
I: indicates weak security encryption
U: stands for strong security encryption
4. Browser language
The language specified in Preferences > General > Language
5. Rendering engine
The mainstream rendering engines used by display browsers include: Gecko, WebKit, KHTML, Presto, Trident, Tasman, etc. The format is: rendering engine/version information
6. Version information
Display the real version information of the browser in the format: browser/version information
Browser User-Agent details
PC version:
safari 5.1 – MAC
User-Agent:Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50
safari 5.1 – Windows
User-Agent:Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50
IE 9.0
User-Agent:Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0;
IE 8.0
User-Agent:Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)
IE 7.0
User-Agent:Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)
IE 6.0
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Firefox 4.0.1 – MAC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
Firefox 4.0.1 – Windows
User-Agent:Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
Opera 11.11 – MAC
User-Agent:Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; en) Presto/2.8.131 Version/11.11
Opera 11.11 – Windows
User-Agent:Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11
Chrome 17.0 – MAC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11
Maxthon
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Maxthon 2.0)
Tencent TT
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; TencentTraveler 4.0)
The World 2.x
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)
The World 3.x
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; The World)
Sogou Browser 1.x
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SE 2.X MetaSr 1.0; SE 2.X MetaSr 1.0; .NET CLR 2.0.50727; SE 2.X MetaSr 1.0)
360 browser
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; 360SE)
Avant
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Avant Browser)
Green Browser
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)
Mobile device side:
safari iOS 4.33 – iPhone
User-Agent:Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5
safari iOS 4.33 – iPod Touch
User-Agent:Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5
safari iOS 4.33 – iPad
User-Agent:Mozilla/5.0 (iPad; U; CPU OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5
Android N1
User-Agent: Mozilla/5.0 (Linux; U; Android 2.3.7; en-us; Nexus One Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1
Android QQ Browser For android
User-Agent: MQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1
Android Opera Mobile
User-Agent: Opera/9.80 (Android 2.3.4; Linux; Opera Mobi/build-1107180945; U; en-GB) Presto/2.8.149 Version/11.10
Android Pad Moto Xoom
User-Agent: Mozilla/5.0 (Linux; U; Android 3.0; en-us; Xoom Build/HRI39) AppleWebKit/534.13 (KHTML, like Gecko) Version/4.0 Safari/534.13
BlackBerry
User-Agent: Mozilla/5.0 (BlackBerry; U; BlackBerry 9800; en) AppleWebKit/534.1+ (KHTML, like Gecko) Version/6.0.0.337 Mobile Safari/534.1+
WebOS HP Touchpad
User-Agent: Mozilla/5.0 (hp-tablet; Linux; hpwOS/3.0.0; U; en-US) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 TouchPad/1.0
Nokia N97
User-Agent: Mozilla/5.0 (SymbianOS/9.4; Series60/5.0 NokiaN97-1/20.0.019; Profile/MIDP-2.1 Configuration/CLDC-1.1) AppleWebKit/525 (KHTML, like Gecko) BrowserNG/7.1.18124
Windows Phone Mango
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; HTC; Titan)
UCNone
User-Agent: UCWEB7.0.2.37/28/999
UC standard
User-Agent: NOKIA5700/ UCWEB7.0.2.37/28/999
UCOpenwave
User-Agent: Openwave/ UCWEB7.0.2.37/28/999
UC Opera
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; ) Opera/UCWEB7.0.2.37/28/999
2. Browser identification
1. IE browser (taking IE 9.0 as an example)
PC: User-Agent:Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0;
Mobile devices: User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; HTC; Titan)
Since Aoyou, Window of the World, 360 Browser, Tencent Browser, Sogou Browser, Avant, and Green Browser all use the core of IE, the standard for IE browser judgment is the "MSIE" field. The number after the MSIE field is the version number, but it also needs to be judged not to contain fields such as "Maxthon", "The world", "360SE", "TencentTraveler", "SE", and "Avant" (Green Browser has no obvious logo). The mobile device also needs to determine the IEMobile+ version number.
2. 360 browser
PC side: User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; InfoPath.2; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; 360SE)
Mobile device: None
The judgment standard of 360 Browser is the "360SE" field, which has no version indication.
3. Sogou Browser
PC: User-Agent:Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SE 2.X MetaSr 1.0; SE 2.X MetaSr 1.0; .NET CLR 2.0.50727; SE 2.X MetaSr 1.0)
Mobile device: None
The judgment standard of Sogou Browser is the "SE" and "MetaSr" fields, and the version number is the number after SE.
4、Chrome
PC: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11
Mobile devices: User-Agent: Mozilla/5.0 (Linux; U; Android 2.2.1; zh-cn; HTC_Wildfire_A3333 Build/FRG83D) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1
The judgment standard of the PC Chrome browser is the chrome field, and the number after chrome is the version number; the mobile Chrome browser judges fields such as "android", "linux", and "mobile safari", and the number after version is the version number.
5、Safari
PC: User-Agent:Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50
Mobile devices: User-Agent:Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5
Since Chrome and Nokia’s Series 60 browser also use the WebKit kernel, the Safari browser must determine that it includes the safari field and does not include chrome and other information. After confirmation, the number after "version/" is the version number. The one that contains the Mobile field under the above conditions is the Safari browser on the mobile device.
6. Tencent Browser
PC: User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; TencentTraveler 4.0; .NET CLR 2.0.50727)
Mobile devices: User-Agent: MQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1
The judgment standard for Tencent Browser is "TencentTraveler" or "QQBrowser". The number after TencentTraveler or QQBrowser is the version number.
7、Firefox
PC: User-Agent:Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
Mobile devices: User-Agent: Mozilla/5.0 (Androdi; Linux armv7l; rv:5.0) Gecko/ Firefox/5.0 fennec/5.0
The criterion for Firefox is the Firefox field, and the number after firefox is the version number.
8、The world
PC: User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; The World)
Mobile device: None
The judgment criterion of Theworld browser is the "The world" field, which does not indicate the version number.
It should be noted that there is no "The world" field in the User-Agent of The world 2.x version.
9. Travel
PC: User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Maxthon 2.0)
Mobile device: None
The judgment standard of Aoyou browser is "Maxthon", and the number after Maxthon is the version number.
10、Opera
PC: User-Agent:Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11
Mobile devices: User-Agent: Opera/9.80 (Android 2.3.4; Linux; Opera mobi/adr-1107051709; U; zh-cn) Presto/2.8.149 Version/11.10
The judgment criterion of opera browser is the opera field, and the number after the opera field is the version number.
11. UC Browser
UC Web has multiple browsing modes, and the corresponding User-Agent is:
UCNone
User-Agent: UCWEB7.0.2.37/28/999
UC standard
User-Agent: NOKIA5700/ UCWEB7.0.2.37/28/999
UCOpenwave
User-Agent: Openwave/ UCWEB7.0.2.37/28/999
UC Opera
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; ) Opera/UCWEB7.0.2.37/28/999
The judgment standard of UC Browser is the "UCWEB" field, and the number after UCWEB is the version number.
Operating system orientation
Operating system orientation relies on the User-Agent in the http header information transmitted by each browser when opening the page. For instructions on User-Agent, see User-Agent in Http header.
For detailed information about User-Agent, see Detailed information about browser User-Agent.
Let's learn about the identification methods of different operating systems in User-Agent.
