| Used Operating Systems |
| 1 | 2448 | 21.73 | 1257 | 28.27 | Windows NT |
| 2 | 2197 | 19.50 | 1954 | 43.95 | +http://www.baidu.com/search/spider.html |
| 3 | 1726 | 15.32 | 33 | 0.74 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1249 | 11.09 | 147 | 3.31 | +http://yandex.com/bots |
| 5 | 1130 | 10.03 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 6 | 917 | 8.14 | 485 | 10.91 | +http://ahrefs.com/robot/ |
| 7 | 569 | 5.05 | 108 | 2.43 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 475 | 4.22 | 192 | 4.32 | +http://www.google.com/bot.html |
| 9 | 214 | 1.90 | 120 | 2.70 | +http://www.bing.com/bingbot.htm |
| 10 | 129 | 1.14 | 52 | 1.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 101 | 0.90 | 27 | 0.61 | +http://www.linkdex.com/bots/ |
| 12 | 17 | 0.15 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 13 | 12 | 0.11 | 4 | 0.09 | Windows 98 |
| 14 | 11 | 0.10 | 10 | 0.22 | Windows 95 |
| 15 | 8 | 0.07 | 5 | 0.11 | X11 |
| 16 | 7 | 0.06 | 2 | 0.04 | +http://isdownload.biz |
| 17 | 6 | 0.05 | 4 | 0.09 | Windows 3.1 |
| 18 | 6 | 0.05 | 3 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 5 | 0.04 | 4 | 0.09 | Linux [unknown version] |
| 20 | 5 | 0.04 | 5 | 0.11 | Linux i686 [unknown version] |
| 21 | 4 | 0.04 | 4 | 0.09 | Intel Mac OS X 10.5 |
| 22 | 4 | 0.04 | 2 | 0.04 | Mail.RU_Bot/Robots; +http://go.mail.ru/h... |
| 23 | 4 | 0.04 | 1 | 0.02 | +http://medialine-it.com |
| 24 | 4 | 0.04 | 2 | 0.04 | +info@netcraft.com |
| 25 | 3 | 0.03 | 3 | 0.07 | OpenBSD [unknown version] |
| 26 | 3 | 0.03 | 2 | 0.04 | Android 2.3.5 |
| 27 | 3 | 0.03 | 3 | 0.07 | WinHttp.WinHttpRequest.5 |
| 28 | 2 | 0.02 | 2 | 0.04 | http://www.lipperhey.com/ |
| 29 | 2 | 0.02 | 2 | 0.04 | Windows 2000 |
| 30 | 2 | 0.02 | 2 | 0.04 | Windows CE |
| 31 | 2 | 0.02 | 2 | 0.04 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 32 | 1 | 0.01 | 1 | 0.02 | FreeBSD [unknown version] |
| 33 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
