| Used Operating Systems |
| 1 | 12587 | 75.69 | 146 | 8.33 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2230 | 13.41 | 493 | 28.14 | Windows NT |
| 3 | 847 | 5.09 | 724 | 41.32 | +http://www.baidu.com/search/spider.html |
| 4 | 419 | 2.52 | 162 | 9.25 | +http://www.google.com/bot.html |
| 5 | 99 | 0.60 | 58 | 3.31 | Windows 95 |
| 6 | 91 | 0.55 | 23 | 1.31 | +http://www.bing.com/bingbot.htm |
| 7 | 76 | 0.46 | 24 | 1.37 | +http://www.linkdex.com/bots/ |
| 8 | 71 | 0.43 | 6 | 0.34 | Windows 98 |
| 9 | 30 | 0.18 | 15 | 0.86 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 25 | 0.15 | 17 | 0.97 | Windows 3.1 |
| 11 | 21 | 0.13 | 15 | 0.86 | Windows CE |
| 12 | 21 | 0.13 | 15 | 0.86 | ) - BrowseX (2.0.0 Windows |
| 13 | 15 | 0.09 | 13 | 0.74 | Auto; Windows |
| 14 | 14 | 0.08 | 9 | 0.51 | MSIE 5.5; Windows NT 4.0 |
| 15 | 13 | 0.08 | 11 | 0.63 | MSIE 5.5; Windows NT 5.0 |
| 16 | 12 | 0.07 | 0 | 0.00 | Windows XP |
| 17 | 11 | 0.07 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 18 | 11 | 0.07 | 6 | 0.34 | Windows ME |
| 19 | 10 | 0.06 | 9 | 0.51 | Windows 2000 |
| 20 | 9 | 0.05 | 3 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 5 | 0.03 | 1 | 0.06 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 22 | 4 | 0.02 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 4 | 0.02 | 2 | 0.11 | +info@netcraft.com |
| 24 | 3 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 25 | 2 | 0.01 | 0 | 0.00 | X11 |
