• Google

  • Mozilla/5.0 (compatible; WebHistoryBot/1.2.1 IS NOT SE bot like Googlebot/2.1; +http://www.google.com/bot.html,Yahoo! Slurp or Bingbot)
  • User-Agent: Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
  • =Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
  • Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html
  • * Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
  • Googlebot/2.1
  • 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 (compatible; Googlebot/2.1; actually this is http://ismyblogworking.com/)
  • Googlebot/2.1 (+http://www.google.com/bot.html)
  • Googlebot/2.1 (http://www.googlebot.com/bot.html)
  • Googlebot/2.1 (+http://www.googlebot.com/bot.html)
  • Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)