各大搜索引擎爬虫User-Agent大全，由宗九尘博客网站旗下宗波尘客www.zbck123.com和国民老实人九轩博客www.jiuxuan.xyz收集和整理。大家需要的可以直接拿去参考使用。
百度 PC UA
Mozilla/5.0(compatible;Baiduspider/2.0;+http://www.baidu.com/search/spider.html)Mozilla/5.0(compatible;Baiduspider-render/2.0;+http://www.baidu.com/search/spider.html)
百度移动 UA
Mozilla/5.0(Linux;u;Android 4.2.2;zh-cn;)AppleWebKit/534.46(KHTML,like Gecko)Version/5.1 Mobile Safari/10600.6.3(compatible;Baiduspider/2.0;+http://www.baidu.com/search/spider.html)
Mozilla/5.0(iPhone;CPU iPhone OS 9_1 like Mac OS X)AppleWebKit/601.1.46(KHTML, like Gecko)Version/9.0 Mobile/13B143 Safari/601.1(compatible;Baiduspider-render/2.0;+http://www.baidu.com/search/spider.html)
百度图片UA
Baiduspider-image+(+http://www.baidu.com/search/spider.htm)
神马搜索 PC UA
Mozilla/5.0(Windows NT 6.1;Win64;x64)AppleWebKit/537.36(KHTML, like Gecko)Chrome/69.0.3497.81 YisouSpider/5.0 Safari/537.36
神马搜索移动 UA
Mozilla/5.0(iPhone;CPU iPhone OS 10_3 like Mac OS X)AppleWebKit/602.1.50(KHTML, like Gecko)CriOS/56.0.2924.75 Mobile/14E5239e YisouSpider/5.0 Safari/602.1
谷歌 PC UA
Mozilla/5.0(compatible;Googlebot/2.1;+http://www.google.com/bot.html)
谷歌移动UA
AdsBot-Google-Mobile(+http://www.google.com/mobile/adsbot.html)
Mozilla(iPhone;U;CPU iPhone OS 3 0 like Mac OS X)AppleWebKit(KHTML, like Gecko)Mobile Safari
谷歌图片UA
Mozilla/5.0(compatible;Googlebot-Image/1.0;+http://www.google.com/bot.html)
搜索 PC UA
Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
搜狗图片 UA
Sogou Pic Spider/3.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
搜狗新闻UA
Sogou News Spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
搜狗视频UA
Sogou Video Spider/3.0(+http://www.sogou.com/docs/help/webmasters.htm#07)
360搜索UA
Mozilla/5.0(compatible;MSIE 9.0;Windows NT 6.1;Trident/5.0);
360移动UA
Mozilla/5.0(Linux;U;Android 4.0.2;en-us;Galaxy Nexus Build/ICL53F)AppleWebKit/534.30(KHTML, like Gecko)Version/4.0 Mobile Safari/534.30;360SpiderMozilla/5.0(Linux;U;Android 4.0.2;en-us;Galaxy Nexus Build/ICL53F)AppleWebKit/534.30(KHTML, like Gecko)Version/4.0 Mobile Safari/534.30;HaosouSpider
360安全UA
360spider(http://webscan.360.cn)
必应：
Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)
搜搜UA：
Sosospider+(+http://help.soso.com/webspider.htm)
搜搜图片UA：
Sosoimagespider+(+http://help.soso.com/soso-image-spider.htm)
雅虎中文UA：
Mozilla/5.0(compatible;Yahoo!Slurp China;http://misc.yahoo.com.cn/help.html)
雅虎英文UA：
Mozilla/5.0(compatible;Yahoo!Slurp;http://help.yahoo.com/help/us/ysearch/slurp)