| Used Operating Systems |
| 1 | 4017 | 43.46 | 1024 | 28.33 | Windows NT |
| 2 | 1119 | 12.11 | 535 | 14.80 | +http://www.google.com/bot.html |
| 3 | 539 | 5.83 | 273 | 7.55 | Windows 98 |
| 4 | 377 | 4.08 | 245 | 6.78 | Linux [unknown version] |
| 5 | 362 | 3.92 | 4 | 0.11 | Intel Mac OS X 10.4 |
| 6 | 334 | 3.61 | 257 | 7.11 | Macintosh PPC |
| 7 | 327 | 3.54 | 197 | 5.45 | Windows 95 |
| 8 | 250 | 2.71 | 51 | 1.41 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 249 | 2.69 | 193 | 5.34 | AmigaOS |
| 10 | 183 | 1.98 | 1 | 0.03 | Intel Mac OS X 10.6 |
| 11 | 176 | 1.90 | 116 | 3.21 | FreeBSD [unknown version] |
| 12 | 97 | 1.05 | 74 | 2.05 | AmigaOS4.0 |
| 13 | 87 | 0.94 | 69 | 1.91 | BeOS |
| 14 | 84 | 0.91 | 66 | 1.83 | Macintosh; U; PPC; Mac OS X |
| 15 | 75 | 0.81 | 1 | 0.03 | Intel Mac OS X 10.5 |
| 16 | 75 | 0.81 | 62 | 1.72 | X11 |
| 17 | 64 | 0.69 | 25 | 0.69 | +http://www.whoisde.de |
| 18 | 53 | 0.57 | 39 | 1.08 | Commodore 64 |
| 19 | 52 | 0.56 | 42 | 1.16 | DB OS 6.0 |
| 20 | 50 | 0.54 | 41 | 1.13 | Chimera |
| 21 | 46 | 0.50 | 2 | 0.06 | PPC Mac OS X 10.4 |
| 22 | 45 | 0.49 | 24 | 0.66 | PPC Mac OS X Mach-O |
| 23 | 43 | 0.47 | 35 | 0.97 | Darwin |
| 24 | 43 | 0.47 | 26 | 0.72 | Linux 2.4.x |
| 25 | 42 | 0.45 | 34 | 0.94 | Win32 |
| 26 | 42 | 0.45 | 34 | 0.94 | Symbian OS/1.1.0 |
| 27 | 41 | 0.44 | 18 | 0.50 | Amiga OS |
| 28 | 34 | 0.37 | 19 | 0.53 | SaferSurf; DigExt |
| 29 | 34 | 0.37 | 1 | 0.03 | http://www.dotnetdotcom.org/, crawler@do... |
| 30 | 30 | 0.32 | 18 | 0.50 | OpenBSD [unknown version] |
| 31 | 25 | 0.27 | 1 | 0.03 | +http://www.scoutjet.com/ |
| 32 | 25 | 0.27 | 1 | 0.03 | +http://WebDataCentre.com/ |
| 33 | 24 | 0.26 | 1 | 0.03 | +http://www.rexyo.com/robot.html |
| 34 | 23 | 0.25 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 35 | 22 | 0.24 | 1 | 0.03 | +http://www.seexie.com |
| 36 | 19 | 0.21 | 3 | 0.08 | Intel Mac OS X |
| 37 | 17 | 0.18 | 1 | 0.03 | +http://www.guruji.com/en/WebmasterFAQ.h... |
| 38 | 15 | 0.16 | 13 | 0.36 | Linux i686 [unknown version] |
| 39 | 15 | 0.16 | 1 | 0.03 | +http://www.exabot.com/go/robot |
| 40 | 13 | 0.14 | 11 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 41 | 12 | 0.13 | 9 | 0.25 | Windows 3.1 |
| 42 | 11 | 0.12 | 10 | 0.28 | Windows CE |
| 43 | 11 | 0.12 | 4 | 0.11 | Windows XP |
| 44 | 10 | 0.11 | 8 | 0.22 | MSIE 5.5; Windows NT 4.0 |
| 45 | 9 | 0.10 | 5 | 0.14 | Windows ME |
| 46 | 8 | 0.09 | 7 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 47 | 7 | 0.08 | 7 | 0.19 | Windows 2000 |
| 48 | 3 | 0.03 | 3 | 0.08 | Auto; Windows |
| 49 | 2 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 50 | 1 | 0.01 | 1 | 0.03 | J2ME/MIDP |
