| Used Operating Systems |
| 1 | 35231 | 82.52 | 260 | 6.59 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2144 | 5.02 | 1256 | 31.82 | +http://www.google.com/bot.html |
| 3 | 1228 | 2.88 | 1135 | 28.76 | +http://www.baidu.com/search/spider.html |
| 4 | 1174 | 2.75 | 483 | 12.24 | Windows NT |
| 5 | 1034 | 2.42 | 12 | 0.30 | +http://OpenLinkProfiler.org/bot |
| 6 | 463 | 1.08 | 299 | 7.58 | +http://yandex.com/bots |
| 7 | 402 | 0.94 | 94 | 2.38 | +http://ahrefs.com/robot/ |
| 8 | 344 | 0.81 | 193 | 4.89 | +http://www.bing.com/bingbot.htm |
| 9 | 195 | 0.46 | 12 | 0.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 152 | 0.36 | 47 | 1.19 | +http://www.linkdex.com/bots/ |
| 11 | 64 | 0.15 | 39 | 0.99 | +http://www.exabot.com/go/robot |
| 12 | 52 | 0.12 | 26 | 0.66 | +http://duckduckgo.com |
| 13 | 51 | 0.12 | 18 | 0.46 | Windows 95 |
| 14 | 28 | 0.07 | 13 | 0.33 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 27 | 0.06 | 10 | 0.25 | Windows 98 |
| 16 | 19 | 0.04 | 10 | 0.25 | Windows CE |
| 17 | 16 | 0.04 | 8 | 0.20 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 12 | 0.03 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 19 | 12 | 0.03 | 6 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 11 | 0.03 | 5 | 0.13 | Windows ME |
| 21 | 8 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 22 | 7 | 0.02 | 3 | 0.08 | Windows XP |
| 23 | 4 | 0.01 | 4 | 0.10 | +http://www.domaintuno.com/robot |
| 24 | 3 | 0.01 | 3 | 0.08 | Windows 2000 |
| 25 | 3 | 0.01 | 3 | 0.08 | Linux i686 [unknown version] |
| 26 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 27 | 2 | 0.00 | 2 | 0.05 | Intel Mac OS X 10.5 |
| 28 | 2 | 0.00 | 2 | 0.05 | Linux [unknown version] |
| 29 | 1 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
