| Used Operating Systems |
| 1 | 21997 | 29.34 | 1209 | 15.38 | +http://www.xovibot.net/ |
| 2 | 18199 | 24.27 | 116 | 1.48 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 13149 | 17.54 | 164 | 2.09 | +http://ahrefs.com/robot/ |
| 4 | 6700 | 8.94 | 2157 | 27.43 | Windows NT |
| 5 | 6400 | 8.54 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 3947 | 5.26 | 3156 | 40.14 | +http://www.baidu.com/search/spider.html |
| 7 | 1101 | 1.47 | 121 | 1.54 | +http://yandex.com/bots |
| 8 | 797 | 1.06 | 211 | 2.68 | +http://www.linkdex.com/bots/ |
| 9 | 757 | 1.01 | 370 | 4.71 | +http://www.google.com/bot.html |
| 10 | 756 | 1.01 | 11 | 0.14 | +http://OpenLinkProfiler.org/bot |
| 11 | 484 | 0.65 | 133 | 1.69 | +http://www.bing.com/bingbot.htm |
| 12 | 279 | 0.37 | 65 | 0.83 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 108 | 0.14 | 42 | 0.53 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 89 | 0.12 | 22 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 45 | 0.06 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 16 | 36 | 0.05 | 7 | 0.09 | +http://sur.ly/bot.html |
| 17 | 23 | 0.03 | 20 | 0.25 | Linux i686 [unknown version] |
| 18 | 23 | 0.03 | 1 | 0.01 | Windows 98 |
| 19 | 15 | 0.02 | 8 | 0.10 | +http://www.exabot.com/go/robot |
| 20 | 13 | 0.02 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 21 | 8 | 0.01 | 5 | 0.06 | Windows 95 |
| 22 | 8 | 0.01 | 7 | 0.09 | +info@netcraft.com |
| 23 | 8 | 0.01 | 8 | 0.10 | Linux i586 [unknown version] |
| 24 | 6 | 0.01 | 3 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 5 | 0.01 | 4 | 0.05 | Linux [unknown version] |
| 26 | 5 | 0.01 | 5 | 0.06 | actually this is http://ismyblogworking.... |
| 27 | 5 | 0.01 | 2 | 0.03 | X11 |
| 28 | 4 | 0.01 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 29 | 3 | 0.00 | 3 | 0.04 | http://nmap.org/book/nse.html |
| 30 | 2 | 0.00 | 2 | 0.03 | Windows 2000 |
| 31 | 2 | 0.00 | 0 | 0.00 | Windows XP |
| 32 | 2 | 0.00 | 2 | 0.03 | +http://domainsigma.com/robot |
| 33 | 1 | 0.00 | 1 | 0.01 | i686 Linux; 20021105 |
| 34 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 35 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
