| Used Operating Systems |
| 1 | 19196 | 82.09 | 1289 | 52.40 | Windows NT |
| 2 | 790 | 3.38 | 129 | 5.24 | Windows 98 |
| 3 | 742 | 3.17 | 262 | 10.65 | +http://www.google.com/bot.html |
| 4 | 424 | 1.81 | 91 | 3.70 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 361 | 1.54 | 131 | 5.33 | AmigaOS |
| 6 | 310 | 1.33 | 97 | 3.94 | Linux [unknown version] |
| 7 | 200 | 0.86 | 13 | 0.53 | +http://www.seoprofiler.com/bot/ |
| 8 | 165 | 0.71 | 58 | 2.36 | Linux i686 [unknown version] |
| 9 | 128 | 0.55 | 23 | 0.93 | Windows 95 |
| 10 | 112 | 0.48 | 24 | 0.98 | FreeBSD [unknown version] |
| 11 | 111 | 0.47 | 50 | 2.03 | AmigaOS4.0 |
| 12 | 107 | 0.46 | 39 | 1.59 | Macintosh; U; PPC; Mac OS X |
| 13 | 101 | 0.43 | 44 | 1.79 | BeOS |
| 14 | 63 | 0.27 | 27 | 1.10 | Symbian OS/1.1.0 |
| 15 | 59 | 0.25 | 21 | 0.85 | SaferSurf; DigExt |
| 16 | 58 | 0.25 | 11 | 0.45 | Linux 2.4.x |
| 17 | 57 | 0.24 | 23 | 0.93 | DB OS 6.0 |
| 18 | 54 | 0.23 | 21 | 0.85 | Commodore 64 |
| 19 | 54 | 0.23 | 2 | 0.08 | Amiga OS |
| 20 | 49 | 0.21 | 26 | 1.06 | Chimera |
| 21 | 48 | 0.21 | 26 | 1.06 | Darwin |
| 22 | 47 | 0.20 | 25 | 1.02 | Macintosh PPC |
| 23 | 41 | 0.18 | 9 | 0.37 | OpenBSD [unknown version] |
| 24 | 26 | 0.11 | 4 | 0.16 | +http://www.aihit.com/ |
| 25 | 24 | 0.10 | 3 | 0.12 | Intel Mac OS X 10.6 |
| 26 | 20 | 0.09 | 2 | 0.08 | http://www.search17.com/bot.php |
| 27 | 14 | 0.06 | 0 | 0.00 | http://www.dotnetdotcom.org/, crawler@do... |
| 28 | 8 | 0.03 | 0 | 0.00 | http://help.naver.com/customer_webtxt_02... |
| 29 | 4 | 0.02 | 4 | 0.16 | Windows 3.1 |
| 30 | 4 | 0.02 | 0 | 0.00 | X11 |
| 31 | 2 | 0.01 | 0 | 0.00 | Windows XP |
| 32 | 2 | 0.01 | 2 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 33 | 2 | 0.01 | 2 | 0.08 | +info@netcraft.com |
| 34 | 2 | 0.01 | 2 | 0.08 | MSIE 5.5; Windows NT 5.0 |
