| Used Operating Systems |
| 1 | 10189 | 66.76 | 2119 | 66.95 | Windows NT |
| 2 | 2799 | 18.34 | 64 | 2.02 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 937 | 6.14 | 396 | 12.51 | +http://www.google.com/bot.html |
| 4 | 204 | 1.34 | 30 | 0.95 | +http://yandex.com/bots |
| 5 | 193 | 1.26 | 103 | 3.25 | +http://www.bing.com/bingbot.htm |
| 6 | 155 | 1.02 | 89 | 2.81 | Windows 95 |
| 7 | 139 | 0.91 | 26 | 0.82 | Windows 98 |
| 8 | 110 | 0.72 | 41 | 1.30 | +http://www.linkdex.com/bots/ |
| 9 | 101 | 0.66 | 89 | 2.81 | +http://www.baidu.com/search/spider.html |
| 10 | 44 | 0.29 | 5 | 0.16 | Windows XP |
| 11 | 42 | 0.28 | 16 | 0.51 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 36 | 0.24 | 19 | 0.60 | Auto; Windows |
| 13 | 34 | 0.22 | 20 | 0.63 | Windows 2000 |
| 14 | 33 | 0.22 | 16 | 0.51 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 32 | 0.21 | 21 | 0.66 | Windows CE |
| 16 | 29 | 0.19 | 19 | 0.60 | Windows ME |
| 17 | 28 | 0.18 | 19 | 0.60 | MSIE 5.5; Windows NT 5.0 |
| 18 | 24 | 0.16 | 18 | 0.57 | MSIE 5.5; Windows NT 4.0 |
| 19 | 23 | 0.15 | 10 | 0.32 | Windows 3.1 |
| 20 | 19 | 0.12 | 13 | 0.41 | ) - BrowseX (2.0.0 Windows |
| 21 | 17 | 0.11 | 1 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 22 | 15 | 0.10 | 2 | 0.06 | +http://ahrefs.com/robot/ |
| 23 | 15 | 0.10 | 8 | 0.25 | X11 |
| 24 | 10 | 0.07 | 6 | 0.19 | +http://wmaid.com/explore/ |
| 25 | 9 | 0.06 | 3 | 0.09 | +http://mydownloadengine.com |
| 26 | 8 | 0.05 | 2 | 0.06 | http://www.lipperhey.com/ |
| 27 | 7 | 0.05 | 5 | 0.16 | Android 2.3.5 |
| 28 | 6 | 0.04 | 2 | 0.06 | +http://inload.me |
| 29 | 4 | 0.03 | 2 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 1 | 0.01 | 1 | 0.03 | +info@netcraft.com |
