| Used Operating Systems |
| 1 | 15636 | 30.95 | 122 | 1.95 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13779 | 27.28 | 131 | 2.09 | +http://ahrefs.com/robot/ |
| 3 | 9950 | 19.70 | 2087 | 33.27 | Windows NT |
| 4 | 2901 | 5.74 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 5 | 2620 | 5.19 | 1173 | 18.70 | +http://www.google.com/bot.html |
| 6 | 1913 | 3.79 | 1776 | 28.32 | +http://www.baidu.com/search/spider.html |
| 7 | 1822 | 3.61 | 453 | 7.22 | +http://www.bing.com/bingbot.htm |
| 8 | 856 | 1.69 | 273 | 4.35 | +http://yandex.com/bots |
| 9 | 518 | 1.03 | 4 | 0.06 | +http://www.warebay.com/bot.html |
| 10 | 149 | 0.29 | 42 | 0.67 | +http://www.linkdex.com/bots/ |
| 11 | 130 | 0.26 | 82 | 1.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 67 | 0.13 | 30 | 0.48 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 49 | 0.10 | 16 | 0.26 | Windows XP |
| 14 | 23 | 0.05 | 20 | 0.32 | +http://www.xovibot.net/ |
| 15 | 19 | 0.04 | 8 | 0.13 | Windows 95 |
| 16 | 17 | 0.03 | 8 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 10 | 0.02 | 5 | 0.08 | +http://www.exabot.com/go/robot |
| 18 | 8 | 0.02 | 5 | 0.08 | Windows 98 |
| 19 | 8 | 0.02 | 4 | 0.06 | +http://duckduckgo.com |
| 20 | 7 | 0.01 | 7 | 0.11 | Linux i686 [unknown version] |
| 21 | 6 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 22 | 4 | 0.01 | 4 | 0.06 | Linux i586 [unknown version] |
| 23 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 3 | 0.01 | 1 | 0.02 | Windows CE |
| 25 | 3 | 0.01 | 1 | 0.02 | Windows 2000 |
| 26 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 27 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 28 | 2 | 0.00 | 2 | 0.03 | Linux [unknown version] |
| 29 | 2 | 0.00 | 1 | 0.02 | Windows ME |
| 30 | 2 | 0.00 | 2 | 0.03 | +http://www.domaintuno.com/robot |
| 31 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 32 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 33 | 1 | 0.00 | 1 | 0.02 | Windows 9x |
| 34 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
