| Used Operating Systems |
| 1 | 7633 | 57.62 | 1968 | 43.73 | Windows NT |
| 2 | 2589 | 19.54 | 1971 | 43.80 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 1387 | 10.47 | 120 | 2.67 | Linux i686 [unknown version] |
| 4 | 562 | 4.24 | 184 | 4.09 | +http://www.google.com/bot.html |
| 5 | 235 | 1.77 | 30 | 0.67 | PPC Mac OS X Mach-O |
| 6 | 204 | 1.54 | 2 | 0.04 | Windows NT 5.2 |
| 7 | 133 | 1.00 | 38 | 0.84 | Intel Mac OS X |
| 8 | 112 | 0.85 | 9 | 0.20 | http://help.naver.com/delete_main.asp |
| 9 | 95 | 0.72 | 45 | 1.00 | +http://about.ask.com/en/docs/about/webm... |
| 10 | 72 | 0.54 | 35 | 0.78 | +http://www.exabot.com/go/robot |
| 11 | 66 | 0.50 | 34 | 0.76 | Windows 98 |
| 12 | 28 | 0.21 | 14 | 0.31 | http://misc.yahoo.com.cn/help.html |
| 13 | 26 | 0.20 | 7 | 0.16 | +http://www.scoutjet.com/ |
| 14 | 22 | 0.17 | 11 | 0.24 | Macintosh PPC |
| 15 | 20 | 0.15 | 3 | 0.07 | Windows 9x |
| 16 | 13 | 0.10 | 3 | 0.07 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 12 | 0.09 | 8 | 0.18 | Windows XP |
| 18 | 10 | 0.08 | 4 | 0.09 | SunOS sun4u |
| 19 | 8 | 0.06 | 2 | 0.04 | Win32 |
| 20 | 4 | 0.03 | 0 | 0.00 | Solaris 9.x |
| 21 | 4 | 0.03 | 0 | 0.00 | Windows 95 |
| 22 | 2 | 0.02 | 2 | 0.04 | Windows NT 5.1 |
| 23 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020813 |
| 24 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020916 |
| 25 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020320 |
| 26 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020405 |
| 27 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020726 |
| 28 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020227 |
