| Used Operating Systems |
| 1 | 6378 | 42.30 | 1862 | 40.52 | Windows NT |
| 2 | 3864 | 25.63 | 2008 | 43.70 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 2414 | 16.01 | 117 | 2.55 | +http://discoveryengine.com/discobot.htm... |
| 4 | 1441 | 9.56 | 230 | 5.01 | +http://www.google.com/bot.html |
| 5 | 148 | 0.98 | 68 | 1.48 | +http://www.exabot.com/go/robot |
| 6 | 139 | 0.92 | 54 | 1.18 | +http://about.ask.com/en/docs/about/webm... |
| 7 | 102 | 0.68 | 2 | 0.04 | Windows NT 5.2 |
| 8 | 92 | 0.61 | 32 | 0.70 | Intel Mac OS X |
| 9 | 83 | 0.55 | 58 | 1.26 | Linux i686 [unknown version] |
| 10 | 74 | 0.49 | 22 | 0.48 | http://help.naver.com/delete_main.asp |
| 11 | 71 | 0.47 | 24 | 0.52 | PPC Mac OS X Mach-O |
| 12 | 54 | 0.36 | 25 | 0.54 | http://www.searchme.com/support/ |
| 13 | 52 | 0.34 | 30 | 0.65 | Windows 98 |
| 14 | 47 | 0.31 | 9 | 0.20 | +http://www.scoutjet.com/ |
| 15 | 39 | 0.26 | 24 | 0.52 | Macintosh PPC |
| 16 | 20 | 0.13 | 10 | 0.22 | http://misc.yahoo.com.cn/help.html |
| 17 | 16 | 0.11 | 2 | 0.04 | Linux [unknown version] |
| 18 | 8 | 0.05 | 0 | 0.00 | Windows XP |
| 19 | 6 | 0.04 | 2 | 0.04 | J2ME/MIDP |
| 20 | 4 | 0.03 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6000.16643 |
| 21 | 4 | 0.03 | 0 | 0.00 | OS/2 |
| 22 | 4 | 0.03 | 4 | 0.09 | Windows NT 5.1 |
| 23 | 4 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 24 | 3 | 0.02 | 1 | 0.02 | Windows CE |
| 25 | 2 | 0.01 | 2 | 0.04 | Win32 |
| 26 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020614 |
| 27 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020416 |
| 28 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020819 |
| 29 | 2 | 0.01 | 2 | 0.04 | Linux i586 [unknown version] |
| 30 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020618 |
