| Used Operating Systems |
| 1 | 416658 | 92.73 | 13517 | 88.51 | Windows NT |
| 2 | 16016 | 3.56 | 305 | 2.00 | +http://www.google.com/bot.html |
| 3 | 4060 | 0.90 | 97 | 0.64 | Macintosh |
| 4 | 2643 | 0.59 | 542 | 3.55 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 1915 | 0.43 | 72 | 0.47 | Linux i686 [unknown version] |
| 6 | 1577 | 0.35 | 106 | 0.69 | http://www.dotnetdotcom.org/, crawler@do... |
| 7 | 690 | 0.15 | 22 | 0.14 | Intel Mac OS X 10.6 |
| 8 | 676 | 0.15 | 119 | 0.78 | Windows 98 |
| 9 | 645 | 0.14 | 26 | 0.17 | Intel Mac OS X 10.5 |
| 10 | 632 | 0.14 | 114 | 0.75 | Windows 95 |
| 11 | 539 | 0.12 | 99 | 0.65 | http://desktop.google.com/ |
| 12 | 349 | 0.08 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7600.16385 |
| 13 | 250 | 0.06 | 1 | 0.01 | +http://www.puritysearch.net/ |
| 14 | 236 | 0.05 | 9 | 0.06 | Intel Mac OS X 10.4 |
| 15 | 228 | 0.05 | 8 | 0.05 | Linux [unknown version] |
| 16 | 190 | 0.04 | 2 | 0.01 | http://www.google.com/bot.html |
| 17 | 170 | 0.04 | 21 | 0.14 | Windows ME |
| 18 | 157 | 0.03 | 4 | 0.03 | X11 |
| 19 | 146 | 0.03 | 6 | 0.04 | J2ME/MIDP |
| 20 | 140 | 0.03 | 12 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 21 | 136 | 0.03 | 23 | 0.15 | Auto; Windows |
| 22 | 130 | 0.03 | 18 | 0.12 | Windows XP |
| 23 | 124 | 0.03 | 23 | 0.15 | Windows 3.1 |
| 24 | 119 | 0.03 | 3 | 0.02 | PPC Mac OS X 10.5 |
| 25 | 112 | 0.02 | 16 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 26 | 102 | 0.02 | 4 | 0.03 | Intel Mac OS X |
| 27 | 100 | 0.02 | 14 | 0.09 | Windows CE |
| 28 | 97 | 0.02 | 3 | 0.02 | Windows 9x |
| 29 | 91 | 0.02 | 14 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 30 | 83 | 0.02 | 5 | 0.03 | http://www.majestic12.co.uk/bot.php?+ |
| 31 | 81 | 0.02 | 11 | 0.07 | Windows 2000 |
| 32 | 54 | 0.01 | 2 | 0.01 | Windows Mobile |
| 33 | 47 | 0.01 | 26 | 0.17 | +http://about.ask.com/en/docs/about/webm... |
| 34 | 33 | 0.01 | 1 | 0.01 | SunOS sun4u |
| 35 | 20 | 0.00 | 10 | 0.07 | +http://www.exabot.com/go/robot |
| 36 | 16 | 0.00 | 7 | 0.05 | http://www.search17.com/bot.php |
| 37 | 10 | 0.00 | 5 | 0.03 | http://help.naver.com/customer_webtxt_02... |
| 38 | 8 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 39 | 7 | 0.00 | 1 | 0.01 | +http://www.aihit.com/ |
| 40 | 7 | 0.00 | 0 | 0.00 | Windows 90 |
| 41 | 4 | 0.00 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6000.17037 |
| 42 | 2 | 0.00 | 2 | 0.01 | Mac_PowerPC Mac OS X; en |
| 43 | 1 | 0.00 | 1 | 0.01 | Macintosh PPC |
