| Used Operating Systems |
| 1 | 73321 | 83.34 | 5433 | 58.36 | Windows NT |
| 2 | 4432 | 5.04 | 2074 | 22.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 1609 | 1.83 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6001.18000 |
| 4 | 1600 | 1.82 | 0 | 0.00 | Windows XP |
| 5 | 1539 | 1.75 | 90 | 0.97 | Windows 98 |
| 6 | 1282 | 1.46 | 156 | 1.68 | Linux i686 [unknown version] |
| 7 | 1062 | 1.21 | 409 | 4.39 | http://www.searchme.com/support/ |
| 8 | 1048 | 1.19 | 579 | 6.22 | +http://www.google.com/bot.html |
| 9 | 698 | 0.79 | 322 | 3.46 | +http://about.ask.com/en/docs/about/webm... |
| 10 | 230 | 0.26 | 22 | 0.24 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 206 | 0.23 | 13 | 0.14 | PPC Mac OS X Mach-O |
| 12 | 201 | 0.23 | 11 | 0.12 | Intel Mac OS X |
| 13 | 175 | 0.20 | 77 | 0.83 | +http://www.exabot.com/go/robot |
| 14 | 74 | 0.08 | 0 | 0.00 | Windows 6.0; MSIE 8.0.6001.18372 |
| 15 | 60 | 0.07 | 38 | 0.41 | http://www.google.com/bot.html |
| 16 | 55 | 0.06 | 5 | 0.05 | Macintosh PPC |
| 17 | 53 | 0.06 | 1 | 0.01 | Windows NT 5.2 |
| 18 | 50 | 0.06 | 1 | 0.01 | +http://WebDataCentre.com/ |
| 19 | 42 | 0.05 | 9 | 0.10 | +http://www.scoutjet.com/ |
| 20 | 38 | 0.04 | 3 | 0.03 | Linux [unknown version] |
| 21 | 32 | 0.04 | 16 | 0.17 | Windows 95 |
| 22 | 26 | 0.03 | 7 | 0.08 | Windows CE |
| 23 | 20 | 0.02 | 1 | 0.01 | AOL 10.1; AOLBuild 2.1.84.1; brand=aol; ... |
| 24 | 18 | 0.02 | 2 | 0.02 | J2ME/MIDP |
| 25 | 14 | 0.02 | 5 | 0.05 | Auto; Windows |
| 26 | 12 | 0.01 | 6 | 0.06 | http://misc.yahoo.com.cn/help.html |
| 27 | 10 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 28 | 10 | 0.01 | 0 | 0.00 | Windows 6.0; MSIE 8.0.6001.18702 |
| 29 | 10 | 0.01 | 1 | 0.01 | Nintendo Wii |
| 30 | 6 | 0.01 | 4 | 0.04 | Win32 |
| 31 | 6 | 0.01 | 1 | 0.01 | PPC Mac OS X |
| 32 | 6 | 0.01 | 1 | 0.01 | Windows 9x |
| 33 | 5 | 0.01 | 3 | 0.03 | +http://www.askpeter.info |
| 34 | 4 | 0.00 | 4 | 0.04 | Windows 2000 |
| 35 | 4 | 0.00 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7057.0 |
| 36 | 4 | 0.00 | 4 | 0.04 | Windows ME |
| 37 | 3 | 0.00 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 38 | 3 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 39 | 2 | 0.00 | 0 | 0.00 | +http://discoveryengine.com/discobot.htm... |
| 40 | 2 | 0.00 | 2 | 0.02 | Windows 3.1 |
| 41 | 2 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.yesup.net/bot.html |
| 43 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 44 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
