| Used Operating Systems |
| 1 | 14621 | 52.60 | 2120 | 78.49 | Windows NT |
| 2 | 10619 | 38.20 | 143 | 5.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 2189 | 7.87 | 278 | 10.29 | +http://www.google.com/bot.html |
| 4 | 196 | 0.71 | 61 | 2.26 | +http://yandex.com/bots |
| 5 | 45 | 0.16 | 32 | 1.18 | Windows 98 |
| 6 | 28 | 0.10 | 15 | 0.56 | Windows 95 |
| 7 | 24 | 0.09 | 12 | 0.44 | +http://www.bing.com/bingbot.htm |
| 8 | 18 | 0.06 | 6 | 0.22 | Windows ME |
| 9 | 13 | 0.05 | 7 | 0.26 | Windows 3.1 |
| 10 | 9 | 0.03 | 4 | 0.15 | Windows XP |
| 11 | 9 | 0.03 | 5 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 12 | 4 | 0.01 | 2 | 0.07 | Auto; Windows |
| 13 | 4 | 0.01 | 2 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 14 | 4 | 0.01 | 2 | 0.07 | http://www.search17.com/bot.php |
| 15 | 3 | 0.01 | 3 | 0.11 | Windows CE |
| 16 | 3 | 0.01 | 1 | 0.04 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 2 | 0.01 | 2 | 0.07 | Windows 2000 |
| 18 | 2 | 0.01 | 2 | 0.07 | Linux [unknown version] |
| 19 | 2 | 0.01 | 1 | 0.04 | Linux i686 [unknown version] |
| 20 | 2 | 0.01 | 2 | 0.07 | +info@netcraft.com |
| 21 | 1 | 0.00 | 1 | 0.04 | twingly.com |
| 22 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
