| Used Operating Systems |
| 1 | 13403 | 76.60 | 83 | 4.41 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2328 | 13.31 | 1179 | 62.65 | Windows NT |
| 3 | 612 | 3.50 | 239 | 12.70 | +http://yandex.com/bots |
| 4 | 313 | 1.79 | 128 | 6.80 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 5 | 253 | 1.45 | 4 | 0.21 | +http://www.bing.com/bingbot.htm |
| 6 | 158 | 0.90 | 2 | 0.11 | +http://www.linkpad.ru |
| 7 | 94 | 0.54 | 75 | 3.99 | Windows 95 |
| 8 | 90 | 0.51 | 21 | 1.12 | +http://www.google.com/bot.html |
| 9 | 48 | 0.27 | 16 | 0.85 | Windows 98 |
| 10 | 25 | 0.14 | 14 | 0.74 | ) - BrowseX (2.0.0 Windows |
| 11 | 21 | 0.12 | 19 | 1.01 | Windows 2000 |
| 12 | 20 | 0.11 | 10 | 0.53 | +http://duckduckgo.com |
| 13 | 19 | 0.11 | 18 | 0.96 | Windows ME |
| 14 | 19 | 0.11 | 18 | 0.96 | MSIE 5.5; Windows NT 5.0 |
| 15 | 18 | 0.10 | 16 | 0.85 | Windows CE |
| 16 | 18 | 0.10 | 14 | 0.74 | Windows 3.1 |
| 17 | 15 | 0.09 | 6 | 0.32 | Windows XP |
| 18 | 12 | 0.07 | 8 | 0.43 | MSIE 5.5; Windows NT 4.0 |
| 19 | 8 | 0.05 | 4 | 0.21 | Auto; Windows |
| 20 | 8 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 21 | 6 | 0.03 | 1 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 4 | 0.02 | 2 | 0.11 | http://filterdb.iss.net/crawler/ |
| 23 | 2 | 0.01 | 2 | 0.11 | PPC Mac OS X Mach-O |
| 24 | 1 | 0.01 | 1 | 0.05 | Linux [unknown version] |
| 25 | 1 | 0.01 | 1 | 0.05 | +info@netcraft.com |
| 26 | 1 | 0.01 | 1 | 0.05 | Linux i686 [unknown version] |
