| Used Operating Systems |
| 1 | 4426 | 34.45 | 1418 | 45.17 | Windows NT |
| 2 | 2967 | 23.09 | 826 | 26.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 1928 | 15.01 | 268 | 8.54 | http://www.searchme.com/support/ |
| 4 | 1701 | 13.24 | 329 | 10.48 | +http://www.google.com/bot.html |
| 5 | 474 | 3.69 | 9 | 0.29 | http://www.dotnetdotcom.org/, crawler@do... |
| 6 | 380 | 2.96 | 39 | 1.24 | +http://www.scoutjet.com/ |
| 7 | 204 | 1.59 | 4 | 0.13 | Windows NT 5.2 |
| 8 | 186 | 1.45 | 4 | 0.13 | +http://discoveryengine.com/discobot.htm... |
| 9 | 93 | 0.72 | 47 | 1.50 | +http://about.ask.com/en/docs/about/webm... |
| 10 | 72 | 0.56 | 37 | 1.18 | +http://www.exabot.com/go/robot |
| 11 | 64 | 0.50 | 24 | 0.76 | http://help.naver.com/delete_main.asp |
| 12 | 64 | 0.50 | 35 | 1.12 | Linux i686 [unknown version] |
| 13 | 50 | 0.39 | 1 | 0.03 | +http://WebDataCentre.com/ |
| 14 | 38 | 0.30 | 13 | 0.41 | PPC Mac OS X Mach-O |
| 15 | 37 | 0.29 | 26 | 0.83 | Windows 98 |
| 16 | 32 | 0.25 | 10 | 0.32 | Intel Mac OS X |
| 17 | 30 | 0.23 | 15 | 0.48 | http://misc.yahoo.com.cn/help.html |
| 18 | 20 | 0.16 | 16 | 0.51 | Win32 |
| 19 | 16 | 0.12 | 2 | 0.06 | Linux [unknown version] |
| 20 | 16 | 0.12 | 0 | 0.00 | http://www.google.com/bot.html |
| 21 | 10 | 0.08 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 22 | 5 | 0.04 | 2 | 0.06 | Macintosh PPC |
| 23 | 4 | 0.03 | 2 | 0.06 | Windows NT 5.1 |
| 24 | 4 | 0.03 | 2 | 0.06 | http://www.youdao.com/help/webmaster/spi... |
| 25 | 3 | 0.02 | 2 | 0.06 | Windows CE |
| 26 | 3 | 0.02 | 0 | 0.00 | BeOS BePC |
| 27 | 3 | 0.02 | 0 | 0.00 | Solaris 9.x |
| 28 | 3 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 29 | 2 | 0.02 | 0 | 0.00 | OS/2 |
| 30 | 2 | 0.02 | 2 | 0.06 | +http://www.askpeter.info |
| 31 | 2 | 0.02 | 2 | 0.06 | +http://www.rexyo.com/robot.html |
| 32 | 2 | 0.02 | 2 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.02 | 0 | 0.00 | FreeBSD [unknown version] |
| 34 | 2 | 0.02 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 35 | 1 | 0.01 | 0 | 0.00 | Macintosh |
| 36 | 1 | 0.01 | 0 | 0.00 | i686 Linux; 20020515 |
