| Used Operating Systems |
| 1 | 60460 | 73.94 | 477 | 8.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13722 | 16.78 | 2961 | 51.97 | Windows NT |
| 3 | 1293 | 1.58 | 347 | 6.09 | +http://ahrefs.com/robot/ |
| 4 | 1104 | 1.35 | 229 | 4.02 | +http://www.linkdex.com/bots/ |
| 5 | 1072 | 1.31 | 91 | 1.60 | +http://yandex.com/bots |
| 6 | 741 | 0.91 | 341 | 5.98 | Windows 95 |
| 7 | 699 | 0.85 | 258 | 4.53 | +http://www.google.com/bot.html |
| 8 | 505 | 0.62 | 39 | 0.68 | Windows 98 |
| 9 | 475 | 0.58 | 75 | 1.32 | +http://www.bing.com/bingbot.htm |
| 10 | 395 | 0.48 | 288 | 5.05 | +http://www.baidu.com/search/spider.html |
| 11 | 165 | 0.20 | 72 | 1.26 | Windows ME |
| 12 | 131 | 0.16 | 72 | 1.26 | ) - BrowseX (2.0.0 Windows |
| 13 | 128 | 0.16 | 72 | 1.26 | Windows 2000 |
| 14 | 125 | 0.15 | 71 | 1.25 | MSIE 5.5; Windows NT 5.0 |
| 15 | 118 | 0.14 | 69 | 1.21 | Auto; Windows |
| 16 | 118 | 0.14 | 3 | 0.05 | Windows XP |
| 17 | 107 | 0.13 | 56 | 0.98 | Windows 3.1 |
| 18 | 107 | 0.13 | 67 | 1.18 | MSIE 5.5; Windows NT 4.0 |
| 19 | 103 | 0.13 | 64 | 1.12 | Windows CE |
| 20 | 44 | 0.05 | 2 | 0.04 | +http://www.aihitdata.com/about |
| 21 | 34 | 0.04 | 2 | 0.04 | http://www.lipperhey.com/ |
| 22 | 29 | 0.04 | 15 | 0.26 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 28 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 24 | 26 | 0.03 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 25 | 16 | 0.02 | 8 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 8 | 0.01 | 4 | 0.07 | X11 |
| 27 | 6 | 0.01 | 6 | 0.11 | Linux i686 [unknown version] |
| 28 | 4 | 0.00 | 4 | 0.07 | Linux [unknown version] |
| 29 | 4 | 0.00 | 2 | 0.04 | +info@netcraft.com |
| 30 | 3 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 31 | 3 | 0.00 | 1 | 0.02 | Android 2.3.5 |
