背景
请求一些网站的时候，因没有设置请求头经常会被屏蔽，而User-Agent字段是比较常见的区分请求来源的手段之一。以下搜集一些常用的User-Agent信息，以备不时之需。
Python代码示例
在使用requests请求时，可以使用headers参数来指定请求头。
例如：
import requests
headers = {'User-Agent': 'xxxxx'}
requests.get(url='http://www.xxxxx.com', headers=headers)关键在于User-Agent的内容是什么。
1. Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36
2. Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36
3. Mozilla/5.0 (Windows NT 6.1; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0
4. Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0.3 Safari/537.75.14
5. Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)
6. Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36
User-Agent信息收集
1. PC端User-Agent
# 百度
"Mozilla/5.0 (compatible; Baiduspider/2.0;+http://www.baidu.com/search/spider.html) safari 5.1 – MAC",
# safari 5.1 – MAC
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.3 Safari/605.1.15",
# 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 11.0
"Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko",
# IE 9.0
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0",
# IE 8.0
"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)",
# IE 7.0
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)",
# IE 6.0
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)",
# Firefox 65.0 – MAC
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:65.0) Gecko/20100101 Firefox/65.0",
# Firefox 65.0 – Windows
"Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/65.0",
# Firefox win7
"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0",
# Opera 11.11 – MAC (欧朋浏览器可以在Windows、Mac和Linux三个操作系统平台上运行)
"Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; en) Presto/2.8.131 Version/11.11",
# Opera 11.11 – Windows
"Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11",
# Chrome 73.0 – MAC
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.75 Safari/537.36",
# Chrome Win7
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.163 Safari/535.1",
# Chrome Win10
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36",
# WinXP + IE8
"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB7.0)",
# WinXP + IE7
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)",
# WinXP + IE6
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)",
# 傲游（Maxthon）
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Maxthon 2.0)",
# (腾讯)QQ浏览器
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; TencentTraveler 4.0)",
# 世界之窗（The World） 2.x
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)",
# 世界之窗（The World） 3.x
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; The World)",
# 搜狗浏览器 1.x
"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浏览器
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; 360SE)",
# Avant
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Avant Browser)",
# Green Browser
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)",2. 移动端User-Agent
# 百度
"Mozilla/5.0 (Linux;u;Android 4.2.2;zh-cn;) AppleWebKit/534.46 (KHTML,likeGecko) Version/5.1 Mobile Safari/10600.6.3 (compatible; Baiduspider/2.0;+http://www.baidu.com/search/spider.html)",
# 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
"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",
# safari iOS 4.21 – iPad
"Mozilla/5.0 (iPad; U; CPU OS 4_2_1 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5",
# Android N1
"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",
"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",
# Android QQ浏览器 For android
"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
"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
"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
"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 TouchpadWebOS HP Touchpad
"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
"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
"Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; HTC; Titan)",
# UC 标准
"NOKIA5700/ UCWEB7.0.2.37/28/999",
# UC Openwave
"Openwave/ UCWEB7.0.2.37/28/999",
# UC Opera
"Mozilla/4.0 (compatible; MSIE 6.0; ) Opera/UCWEB7.0.2.37/28/999"总结
灵活的使用UA头信息，在做网络请求或爬虫中是必不可少的。