| Used Operating Systems |
| 1 | 43742 | 89.07 | 269 | 13.08 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2695 | 5.49 | 1053 | 51.22 | Windows NT |
| 3 | 868 | 1.77 | 206 | 10.02 | +http://www.bing.com/bingbot.htm |
| 4 | 712 | 1.45 | 214 | 10.41 | +http://www.google.com/bot.html |
| 5 | 191 | 0.39 | 18 | 0.88 | +http://yandex.com/bots |
| 6 | 164 | 0.33 | 2 | 0.10 | Linux [unknown version] |
| 7 | 111 | 0.23 | 27 | 1.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 108 | 0.22 | 17 | 0.83 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 78 | 0.16 | 35 | 1.70 | +http://ahrefs.com/robot/ |
| 10 | 78 | 0.16 | 55 | 2.68 | Windows 95 |
| 11 | 62 | 0.13 | 15 | 0.73 | Windows 98 |
| 12 | 44 | 0.09 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 43 | 0.09 | 12 | 0.58 | +http://www.exabot.com/go/robot |
| 14 | 24 | 0.05 | 10 | 0.49 | +http://www.linkdex.com/bots/ |
| 15 | 22 | 0.04 | 15 | 0.73 | Windows 2000 |
| 16 | 20 | 0.04 | 7 | 0.34 | Windows XP |
| 17 | 16 | 0.03 | 14 | 0.68 | Windows CE |
| 18 | 16 | 0.03 | 12 | 0.58 | MSIE 5.5; Windows NT 4.0 |
| 19 | 16 | 0.03 | 8 | 0.39 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 14 | 0.03 | 11 | 0.54 | Windows ME |
| 21 | 14 | 0.03 | 13 | 0.63 | Linux i686 [unknown version] |
| 22 | 12 | 0.02 | 9 | 0.44 | Auto; Windows |
| 23 | 12 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 24 | 10 | 0.02 | 7 | 0.34 | Windows 3.1 |
| 25 | 8 | 0.02 | 6 | 0.29 | MSIE 5.5; Windows NT 5.0 |
| 26 | 8 | 0.02 | 6 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 27 | 5 | 0.01 | 5 | 0.24 | Linux i586 [unknown version] |
| 28 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 29 | 2 | 0.00 | 2 | 0.10 | +http://www.seograph.net/bot.html |
| 30 | 2 | 0.00 | 2 | 0.10 | PPC Mac OS X Mach-O |
| 31 | 2 | 0.00 | 1 | 0.05 | X11 |
| 32 | 2 | 0.00 | 2 | 0.10 | +https://www.lipperhey.com/en/about/ |
| 33 | 2 | 0.00 | 1 | 0.05 | +http://www.findxbot.com |
| 34 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 35 | 2 | 0.00 | 2 | 0.10 | +info@netcraft.com |
