| Used Operating Systems |
| 1 | 4683 | 41.30 | 1463 | 54.55 | Windows NT |
| 2 | 1688 | 14.89 | 481 | 17.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 1352 | 11.92 | 186 | 6.94 | http://www.searchme.com/support/ |
| 4 | 1174 | 10.35 | 212 | 7.90 | +http://www.google.com/bot.html |
| 5 | 788 | 6.95 | 38 | 1.42 | http://www.dotnetdotcom.org/, crawler@do... |
| 6 | 625 | 5.51 | 20 | 0.75 | Windows 98 |
| 7 | 182 | 1.61 | 77 | 2.87 | +http://about.ask.com/en/docs/about/webm... |
| 8 | 133 | 1.17 | 61 | 2.27 | +http://www.exabot.com/go/robot |
| 9 | 118 | 1.04 | 4 | 0.15 | http://www.mojeek.com/bot.html |
| 10 | 112 | 0.99 | 18 | 0.67 | +http://www.scoutjet.com/ |
| 11 | 102 | 0.90 | 2 | 0.07 | Windows NT 5.2 |
| 12 | 62 | 0.55 | 10 | 0.37 | Intel Mac OS X |
| 13 | 59 | 0.52 | 15 | 0.56 | +http://discoveryengine.com/discobot.htm... |
| 14 | 41 | 0.36 | 21 | 0.78 | Linux i686 [unknown version] |
| 15 | 32 | 0.28 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6001.18000 |
| 16 | 28 | 0.25 | 4 | 0.15 | Linux [unknown version] |
| 17 | 28 | 0.25 | 13 | 0.48 | http://help.naver.com/customer_webtxt_02... |
| 18 | 25 | 0.22 | 17 | 0.63 | Win32 |
| 19 | 20 | 0.18 | 10 | 0.37 | http://www.youdao.com/help/webmaster/spi... |
| 20 | 18 | 0.16 | 0 | 0.00 | http://www.kalooga.com/info.html?page=cr... |
| 21 | 16 | 0.14 | 8 | 0.30 | http://misc.yahoo.com.cn/help.html |
| 22 | 16 | 0.14 | 0 | 0.00 | Windows XP |
| 23 | 10 | 0.09 | 6 | 0.22 | Macintosh PPC |
| 24 | 8 | 0.07 | 3 | 0.11 | PPC Mac OS X Mach-O |
| 25 | 4 | 0.04 | 3 | 0.11 | Windows NT 5.1 |
| 26 | 4 | 0.04 | 4 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 27 | 4 | 0.04 | 2 | 0.07 | http://www.google.com/bot.html |
| 28 | 2 | 0.02 | 0 | 0.00 | J2ME/MIDP |
| 29 | 2 | 0.02 | 2 | 0.07 | +http://countries.askpeter.info |
| 30 | 2 | 0.02 | 2 | 0.07 | +http://builtwith.com/bot.html |
