| Used Operating Systems |
| 1 | 25013 | 66.93 | 4555 | 44.39 | Windows NT |
| 2 | 3513 | 9.40 | 963 | 9.38 | Windows 98 |
| 3 | 1378 | 3.69 | 763 | 7.44 | Linux [unknown version] |
| 4 | 1151 | 3.08 | 677 | 6.60 | AmigaOS |
| 5 | 853 | 2.28 | 306 | 2.98 | Windows 95 |
| 6 | 630 | 1.69 | 368 | 3.59 | Macintosh PPC |
| 7 | 560 | 1.50 | 266 | 2.59 | FreeBSD [unknown version] |
| 8 | 461 | 1.23 | 177 | 1.72 | +http://www.google.com/bot.html |
| 9 | 367 | 0.98 | 249 | 2.43 | Macintosh; U; PPC; Mac OS X |
| 10 | 360 | 0.96 | 232 | 2.26 | AmigaOS4.0 |
| 11 | 338 | 0.90 | 220 | 2.14 | BeOS |
| 12 | 300 | 0.80 | 189 | 1.84 | Linux i686 [unknown version] |
| 13 | 232 | 0.62 | 96 | 0.94 | SaferSurf; DigExt |
| 14 | 226 | 0.60 | 142 | 1.38 | Chimera |
| 15 | 210 | 0.56 | 130 | 1.27 | Symbian OS/1.1.0 |
| 16 | 197 | 0.53 | 131 | 1.28 | Commodore 64 |
| 17 | 184 | 0.49 | 128 | 1.25 | DB OS 6.0 |
| 18 | 182 | 0.49 | 22 | 0.21 | Amiga OS |
| 19 | 169 | 0.45 | 64 | 0.62 | Linux 2.4.x |
| 20 | 160 | 0.43 | 118 | 1.15 | Darwin |
| 21 | 150 | 0.40 | 63 | 0.61 | OpenBSD [unknown version] |
| 22 | 123 | 0.33 | 76 | 0.74 | X11 |
| 23 | 62 | 0.17 | 42 | 0.41 | Win32 |
| 24 | 52 | 0.14 | 2 | 0.02 | http://www.majestic12.co.uk/bot.php?+ |
| 25 | 43 | 0.12 | 24 | 0.23 | +http://www.seexie.com |
| 26 | 34 | 0.09 | 24 | 0.23 | +http://www.exabot.com/go/robot |
| 27 | 32 | 0.09 | 23 | 0.22 | Windows 2000 |
| 28 | 32 | 0.09 | 18 | 0.18 | http://www.dotnetdotcom.org/, crawler@do... |
| 29 | 31 | 0.08 | 21 | 0.20 | +http://www.scoutjet.com/ |
| 30 | 31 | 0.08 | 24 | 0.23 | http://www.botje.com/plukkie.htm |
| 31 | 29 | 0.08 | 16 | 0.16 | Auto; Windows |
| 32 | 26 | 0.07 | 20 | 0.19 | Windows CE |
| 33 | 26 | 0.07 | 3 | 0.03 | Windows XP |
| 34 | 26 | 0.07 | 14 | 0.14 | Windows 3.1 |
| 35 | 24 | 0.06 | 13 | 0.13 | +http://WebDataCentre.com/ |
| 36 | 21 | 0.06 | 14 | 0.14 | +http://www.rexyo.com/robot.html |
| 37 | 20 | 0.05 | 11 | 0.11 | Windows ME |
| 38 | 20 | 0.05 | 10 | 0.10 | +http://www.guruji.com/en/WebmasterFAQ.h... |
| 39 | 20 | 0.05 | 13 | 0.13 | MSIE 5.5; Windows NT 4.0 |
| 40 | 20 | 0.05 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 41 | 18 | 0.05 | 3 | 0.03 | Intel Mac OS X 10.5 |
| 42 | 18 | 0.05 | 11 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 43 | 10 | 0.03 | 2 | 0.02 | +http://www.aihit.com/ |
| 44 | 8 | 0.02 | 7 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 45 | 2 | 0.01 | 2 | 0.02 | http://www.legalx.net |
| 46 | 2 | 0.01 | 2 | 0.02 | http://www.divineflowers.ca |
| 47 | 2 | 0.01 | 2 | 0.02 | http://www.healthdump.com |
| 48 | 2 | 0.01 | 2 | 0.02 | Windows NT 5.2 |
| 49 | 2 | 0.01 | 2 | 0.02 | +info@netcraft.com |
