| Used Operating Systems |
| 1 | 10380 | 49.18 | 4475 | 59.99 | Windows NT |
| 2 | 4610 | 21.84 | 113 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 835 | 3.96 | 516 | 6.92 | +http://ahrefs.com/robot/ |
| 4 | 806 | 3.82 | 751 | 10.07 | +http://www.baidu.com/search/spider.html |
| 5 | 658 | 3.12 | 56 | 0.75 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 622 | 2.95 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 468 | 2.22 | 152 | 2.04 | +http://www.bing.com/bingbot.htm |
| 8 | 456 | 2.16 | 249 | 3.34 | +http://www.google.com/bot.html |
| 9 | 407 | 1.93 | 105 | 1.41 | +http://yandex.com/bots |
| 10 | 314 | 1.49 | 97 | 1.30 | +http://www.linkdex.com/bots/ |
| 11 | 224 | 1.06 | 204 | 2.73 | Windows 95 |
| 12 | 214 | 1.01 | 88 | 1.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 176 | 0.83 | 109 | 1.46 | +http://www.xovibot.net/ |
| 14 | 162 | 0.77 | 57 | 0.76 | Windows 98 |
| 15 | 159 | 0.75 | 83 | 1.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 62 | 0.29 | 25 | 0.34 | +http://www.exabot.com/go/robot |
| 17 | 51 | 0.24 | 1 | 0.01 | +http://www.aihitdata.com/about |
| 18 | 44 | 0.21 | 40 | 0.54 | Windows 3.1 |
| 19 | 43 | 0.20 | 43 | 0.58 | Windows 2000 |
| 20 | 43 | 0.20 | 40 | 0.54 | Auto; Windows |
| 21 | 43 | 0.20 | 38 | 0.51 | Windows ME |
| 22 | 41 | 0.19 | 37 | 0.50 | Windows CE |
| 23 | 39 | 0.18 | 37 | 0.50 | MSIE 5.5; Windows NT 5.0 |
| 24 | 37 | 0.18 | 37 | 0.50 | MSIE 5.5; Windows NT 4.0 |
| 25 | 35 | 0.17 | 6 | 0.08 | Windows XP |
| 26 | 34 | 0.16 | 34 | 0.46 | ) - BrowseX (2.0.0 Windows |
| 27 | 28 | 0.13 | 14 | 0.19 | +http://duckduckgo.com |
| 28 | 27 | 0.13 | 9 | 0.12 | +http://www.profound.net/domainappender |
| 29 | 14 | 0.07 | 9 | 0.12 | +http://www.semrush.com/bot.html |
| 30 | 12 | 0.06 | 3 | 0.04 | http://www.bing.com/bingbot.htm |
| 31 | 10 | 0.05 | 5 | 0.07 | Linux [unknown version] |
| 32 | 10 | 0.05 | 5 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 9 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 34 | 7 | 0.03 | 1 | 0.01 | X11 |
| 35 | 5 | 0.02 | 3 | 0.04 | Android 2.3.5 |
| 36 | 5 | 0.02 | 5 | 0.07 | +http://domainsigma.com/robot |
| 37 | 3 | 0.01 | 1 | 0.01 | http://www.lipperhey.com/ |
| 38 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 40 | 2 | 0.01 | 1 | 0.01 | +http://gimme60.com |
| 41 | 2 | 0.01 | 1 | 0.01 | +http://advbot.org/bot.html |
| 42 | 2 | 0.01 | 1 | 0.01 | +; |
| 43 | 1 | 0.00 | 1 | 0.01 | Windows |
| 44 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 45 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 46 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
