| Used Operating Systems |
| 1 | 391597 | 91.37 | 12500 | 86.09 | Windows NT |
| 2 | 19059 | 4.45 | 316 | 2.18 | +http://www.google.com/bot.html |
| 3 | 3843 | 0.90 | 42 | 0.29 | Macintosh |
| 4 | 2655 | 0.62 | 539 | 3.71 | http://help.yahoo.com/help/us/ysearch/sl... |
| 5 | 2031 | 0.47 | 148 | 1.02 | Linux i686 [unknown version] |
| 6 | 1320 | 0.31 | 47 | 0.32 | Intel Mac OS X 10.6 |
| 7 | 1133 | 0.26 | 163 | 1.12 | Windows 98 |
| 8 | 1036 | 0.24 | 298 | 2.05 | +http://yandex.com/bots |
| 9 | 1035 | 0.24 | 19 | 0.13 | J2ME/MIDP |
| 10 | 950 | 0.22 | 69 | 0.48 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 621 | 0.14 | 94 | 0.65 | Windows 95 |
| 12 | 615 | 0.14 | 18 | 0.12 | Linux [unknown version] |
| 13 | 446 | 0.10 | 21 | 0.14 | Intel Mac OS X 10.5 |
| 14 | 248 | 0.06 | 1 | 0.01 | +http://www.puritysearch.net/ |
| 15 | 230 | 0.05 | 1 | 0.01 | http://desktop.google.com/ |
| 16 | 165 | 0.04 | 23 | 0.16 | Windows CE |
| 17 | 155 | 0.04 | 25 | 0.17 | MirrorDetector; +http://yandex.com/bots |
| 18 | 146 | 0.03 | 21 | 0.14 | Windows XP |
| 19 | 143 | 0.03 | 20 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 20 | 123 | 0.03 | 18 | 0.12 | Windows 3.1 |
| 21 | 120 | 0.03 | 17 | 0.12 | ) - BrowseX (2.0.0 Windows |
| 22 | 99 | 0.02 | 3 | 0.02 | PPC Mac OS X Mach-O |
| 23 | 92 | 0.02 | 1 | 0.01 | http://www.google.com/bot.html |
| 24 | 88 | 0.02 | 14 | 0.10 | Auto; Windows |
| 25 | 79 | 0.02 | 14 | 0.10 | Windows ME |
| 26 | 78 | 0.02 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 27 | 76 | 0.02 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 28 | 70 | 0.02 | 17 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 29 | 64 | 0.01 | 2 | 0.01 | BlackBerry |
| 30 | 44 | 0.01 | 3 | 0.02 | Unknown |
| 31 | 41 | 0.01 | 8 | 0.06 | Windows 2000 |
| 32 | 39 | 0.01 | 1 | 0.01 | Macintosh PPC |
| 33 | 36 | 0.01 | 1 | 0.01 | Windows 9x |
| 34 | 32 | 0.01 | 18 | 0.12 | +http://about.ask.com/en/docs/about/webm... |
| 35 | 24 | 0.01 | 6 | 0.04 | +http://www.scoutjet.com/ |
| 36 | 16 | 0.00 | 8 | 0.06 | +http://www.exabot.com/go/robot |
| 37 | 12 | 0.00 | 6 | 0.04 | http://help.naver.com/customer_webtxt_02... |
| 38 | 9 | 0.00 | 3 | 0.02 | Android |
| 39 | 8 | 0.00 | 2 | 0.01 | PPC Mac OS X 10.4 |
| 40 | 7 | 0.00 | 1 | 0.01 | en-US 9000/785 |
| 41 | 6 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 42 | 3 | 0.00 | 1 | 0.01 | Win32 |
| 43 | 2 | 0.00 | 0 | 0.00 | Solaris 9.x |
| 44 | 2 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 45 | 2 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 46 | 2 | 0.00 | 2 | 0.01 | + http://vertaler-nederlands.com |
| 47 | 1 | 0.00 | 1 | 0.01 | OS/2 |
| 48 | 1 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 49 | 1 | 0.00 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7600.16385 |
