["Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)", "Mozilla/5.0 (compatible; Bingbot/2.0; +http://www.bing.com/bingbot.htm)", "Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)", "DuckDuckBot/1.0; (+http://duckduckgo.com/duckduckbot.html)", "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)", "Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)", "Sogou Pic Spider/3.0( http://www.sogou.com/docs/help/webmasters.htm#07)", "Sogou head spider/3.0( http://www.sogou.com/docs/help/webmasters.htm#07)", "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)", "Sogou Orion spider/3.0( http://www.sogou.com/docs/help/webmasters.htm#07)", "Sogou-Test-Spider/4.0 (compatible; MSIE 5.5; Windows 98)", "Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (like Gecko) (Exabot-Thumbnails)", "Mozilla/5.0 (compatible; Exabot/3.0; +http://www.exabot.com/go/robot)", "facebookexternalhit/1.0 (+http://www.facebook.com/externalhit_uatext.php)", "facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)", "ia_archiver (+http://www.alexa.com/site/help/webmasters; crawler@alexa.com)"]
