| Used Operating Systems |
| 1 | 375927 | 93.51 | 8915 | 83.77 | Windows NT |
| 2 | 8782 | 2.18 | 510 | 4.79 | +http://www.google.com/bot.html |
| 3 | 4745 | 1.18 | 165 | 1.55 | http://www.dotnetdotcom.org/, crawler@do... |
| 4 | 3236 | 0.80 | 63 | 0.59 | Macintosh |
| 5 | 1955 | 0.49 | 439 | 4.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 1418 | 0.35 | 8 | 0.08 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1008 | 0.25 | 166 | 1.56 | Windows 98 |
| 8 | 697 | 0.17 | 27 | 0.25 | Linux i686 [unknown version] |
| 9 | 655 | 0.16 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7600.16385 |
| 10 | 577 | 0.14 | 121 | 1.14 | Windows 95 |
| 11 | 412 | 0.10 | 10 | 0.09 | Intel Mac OS X 10.5 |
| 12 | 300 | 0.07 | 1 | 0.01 | +http://www.puritysearch.net/ |
| 13 | 293 | 0.07 | 9 | 0.08 | Intel Mac OS X 10.6 |
| 14 | 263 | 0.07 | 5 | 0.05 | Linux [unknown version] |
| 15 | 249 | 0.06 | 1 | 0.01 | http://desktop.google.com/ |
| 16 | 221 | 0.05 | 18 | 0.17 | Windows XP |
| 17 | 166 | 0.04 | 4 | 0.04 | PPC Mac OS X Mach-O |
| 18 | 138 | 0.03 | 21 | 0.20 | Windows CE |
| 19 | 120 | 0.03 | 30 | 0.28 | Auto; Windows |
| 20 | 103 | 0.03 | 2 | 0.02 | PPC Mac OS X 10.5 |
| 21 | 92 | 0.02 | 19 | 0.18 | Windows ME |
| 22 | 83 | 0.02 | 1 | 0.01 | http://www.google.com/bot.html |
| 23 | 82 | 0.02 | 16 | 0.15 | Windows 2000 |
| 24 | 82 | 0.02 | 2 | 0.02 | J2ME/MIDP |
| 25 | 70 | 0.02 | 13 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 26 | 66 | 0.02 | 17 | 0.16 | Windows 3.1 |
| 27 | 66 | 0.02 | 16 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 28 | 50 | 0.01 | 12 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 29 | 39 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 30 | 28 | 0.01 | 0 | 0.00 | Windows 6.0; MSIE 8.0.6001.18882 |
| 31 | 22 | 0.01 | 11 | 0.10 | http://help.naver.com/customer_webtxt_02... |
| 32 | 11 | 0.00 | 6 | 0.06 | +http://about.ask.com/en/docs/about/webm... |
| 33 | 8 | 0.00 | 4 | 0.04 | http://www.kalooga.com/info.html?page=cr... |
| 34 | 7 | 0.00 | 2 | 0.02 | http://www.youdao.com/help/webmaster/spi... |
| 35 | 6 | 0.00 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 36 | 4 | 0.00 | 0 | 0.00 | BeOS BePC |
| 37 | 4 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 38 | 4 | 0.00 | 1 | 0.01 | SunOS sun4u |
| 39 | 3 | 0.00 | 1 | 0.01 | Microsoft Windows |
| 40 | 2 | 0.00 | 2 | 0.02 | Macintosh PPC |
| 41 | 2 | 0.00 | 1 | 0.01 | Windows 9x |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.google.com |
