| Used Operating Systems |
| 1 | 1147 | 50.22 | 389 | 45.71 | Windows NT |
| 2 | 982 | 42.99 | 355 | 41.72 | +http://www.google.com/bot.html |
| 3 | 45 | 1.97 | 40 | 4.70 | Windows 98 |
| 4 | 26 | 1.14 | 13 | 1.53 | +http://www.bing.com/bingbot.htm |
| 5 | 19 | 0.83 | 17 | 2.00 | Windows 95 |
| 6 | 12 | 0.53 | 6 | 0.71 | http://www.youdao.com/help/webmaster/spi... |
| 7 | 12 | 0.53 | 5 | 0.59 | +http://yandex.com/bots |
| 8 | 7 | 0.31 | 3 | 0.35 | Linux i686 [unknown version] |
| 9 | 6 | 0.26 | 3 | 0.35 | http://www.dotnetdotcom.org/, crawler@do... |
| 10 | 6 | 0.26 | 3 | 0.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 4 | 0.18 | 2 | 0.24 | +info@netcraft.com |
| 12 | 3 | 0.13 | 3 | 0.35 | Windows 3.1 |
| 13 | 3 | 0.13 | 2 | 0.24 | PPC Mac OS X Mach-O |
| 14 | 2 | 0.09 | 2 | 0.24 | Windows 2000 |
| 15 | 2 | 0.09 | 2 | 0.24 | Intel Mac OS X 10.5 |
| 16 | 2 | 0.09 | 0 | 0.00 | Windows XP |
| 17 | 2 | 0.09 | 2 | 0.24 | Intel Mac OS X 10.6 |
| 18 | 2 | 0.09 | 2 | 0.24 | Windows NT 5.2 |
| 19 | 1 | 0.04 | 1 | 0.12 | Intel Mac OS X |
| 20 | 1 | 0.04 | 1 | 0.12 | ) - BrowseX (2.0.0 Windows |
