Mozilla/5.0 (compatible; Googlebot/2.1; +
http://www.google.com/bot.html)
Googlebot/2.1 (+
http://www.google.com/bot.html)
Mozilla/5.0 (iPhone; CPU iPhone OS 60 like Mac OS X) AppleWebKit/536.26 (KHTML like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25 (compatible; Googlebot/2.1; +
http://www.google.com/bot.html)
Mozilla/5.0 (compatible; Googlebot/2.1;+
http://www.google.com/bot.html)
Googlebot-Video/1.0
SAMSUNG-SGH-E250/1.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 UP.Browser/6.2.3.3.c.1.101 (GUI) MMP/2.0 (compatible; Googlebot-Mobile/2.1; +
http://www.google.com/bot.html)
Mozilla/5.0 (iPhone; U; CPU iPhone OS 41 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7 (compatible; Googlebot-Mobile/2.1; +
http://www.google.com/bot.html)
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 Mobile Safari/537.36 (compatible; Googlebot/2.1; +
http://www.google.com/bot.html)
и т.д их много