| Used Operating Systems |
| 1 | 6043 | 45.32 | 2080 | 36.95 | Windows NT |
| 2 | 5678 | 42.58 | 3019 | 53.63 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 319 | 2.39 | 106 | 1.88 | +http://www.google.com/bot.html |
| 4 | 290 | 2.17 | 121 | 2.15 | Windows 98 |
| 5 | 224 | 1.68 | 14 | 0.25 | http://help.naver.com/delete_main.asp |
| 6 | 194 | 1.45 | 51 | 0.91 | +http://about.ask.com/en/docs/about/webm... |
| 7 | 119 | 0.89 | 37 | 0.66 | PPC Mac OS X Mach-O |
| 8 | 108 | 0.81 | 4 | 0.07 | Windows XP |
| 9 | 91 | 0.68 | 49 | 0.87 | +http://www.exabot.com/go/robot |
| 10 | 76 | 0.57 | 47 | 0.83 | Linux i686 [unknown version] |
| 11 | 61 | 0.46 | 18 | 0.32 | Intel Mac OS X |
| 12 | 17 | 0.13 | 9 | 0.16 | Macintosh PPC |
| 13 | 17 | 0.13 | 7 | 0.12 | +http://sp.ask.com/docs/about/tech_crawl... |
| 14 | 16 | 0.12 | 7 | 0.12 | http://misc.yahoo.com.cn/help.html |
| 15 | 8 | 0.06 | 6 | 0.11 | Bluecoat DRTR |
| 16 | 8 | 0.06 | 0 | 0.00 | Windows 9x |
| 17 | 7 | 0.05 | 0 | 0.00 | http://www.yoono.com/ |
| 18 | 6 | 0.04 | 2 | 0.04 | X11 |
| 19 | 4 | 0.03 | 4 | 0.07 | Win32 |
| 20 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20021220 |
| 21 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20021026 |
| 22 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020906 |
| 23 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020609 |
| 24 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020806 |
| 25 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020615 |
| 26 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020413 |
| 27 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020208 |
| 28 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020222 |
| 29 | 2 | 0.01 | 2 | 0.04 | PPC Mac OS X |
| 30 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020607 |
| 31 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020508 |
| 32 | 2 | 0.01 | 2 | 0.04 | +http://about.depspid.net |
| 33 | 2 | 0.01 | 2 | 0.04 | Windows 95 |
| 34 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20021027 |
| 35 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020925 |
| 36 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020606 |
| 37 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020723 |
| 38 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020103 |
| 39 | 2 | 0.01 | 2 | 0.04 | i686 Linux; 20020404 |
| 40 | 2 | 0.01 | 2 | 0.04 | UNIX |
| 41 | 2 | 0.01 | 2 | 0.04 | WinHttp.WinHttpRequest.5 |
| 42 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020605 |
| 43 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020414 |
| 44 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020109 |
| 45 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020405 |
