| Used Operating Systems |
| 1 | 450112 | 90.30 | 15706 | 78.20 | Windows NT |
| 2 | 13435 | 2.70 | 339 | 1.69 | +http://www.google.com/bot.html |
| 3 | 10658 | 2.14 | 101 | 0.50 | X11 |
| 4 | 3863 | 0.78 | 102 | 0.51 | Macintosh |
| 5 | 3610 | 0.72 | 139 | 0.69 | Linux i686 [unknown version] |
| 6 | 2693 | 0.54 | 2142 | 10.66 | +http://www.bing.com/bingbot.htm |
| 7 | 2559 | 0.51 | 557 | 2.77 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 1619 | 0.32 | 205 | 1.02 | Windows 98 |
| 9 | 1568 | 0.31 | 42 | 0.21 | Intel Mac OS X 10.6 |
| 10 | 1500 | 0.30 | 117 | 0.58 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 1028 | 0.21 | 29 | 0.14 | Intel Mac OS X 10.5 |
| 12 | 945 | 0.19 | 135 | 0.67 | Windows 95 |
| 13 | 686 | 0.14 | 22 | 0.11 | J2ME/MIDP |
| 14 | 622 | 0.12 | 15 | 0.07 | Linux [unknown version] |
| 15 | 500 | 0.10 | 2 | 0.01 | +http://www.puritysearch.net/ |
| 16 | 324 | 0.07 | 3 | 0.01 | http://desktop.google.com/ |
| 17 | 290 | 0.06 | 83 | 0.41 | +http://yandex.com/bots |
| 18 | 213 | 0.04 | 27 | 0.13 | Auto; Windows |
| 19 | 211 | 0.04 | 30 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 20 | 210 | 0.04 | 27 | 0.13 | Windows 2000 |
| 21 | 207 | 0.04 | 26 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 22 | 190 | 0.04 | 24 | 0.12 | Windows 3.1 |
| 23 | 180 | 0.04 | 24 | 0.12 | Windows XP |
| 24 | 174 | 0.03 | 32 | 0.16 | Windows CE |
| 25 | 168 | 0.03 | 5 | 0.02 | Intel Mac OS X 10.4 |
| 26 | 147 | 0.03 | 34 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 27 | 131 | 0.03 | 20 | 0.10 | Windows ME |
| 28 | 129 | 0.03 | 21 | 0.10 | MirrorDetector; +http://yandex.com/bots |
| 29 | 115 | 0.02 | 2 | 0.01 | PPC Mac OS X 10.5 |
| 30 | 110 | 0.02 | 3 | 0.01 | PPC Mac OS X 10.4 |
| 31 | 94 | 0.02 | 4 | 0.02 | S60 |
| 32 | 44 | 0.01 | 14 | 0.07 | http://www.majestic12.co.uk/bot.php?+ |
| 33 | 35 | 0.01 | 19 | 0.09 | +http://about.ask.com/en/docs/about/webm... |
| 34 | 24 | 0.00 | 12 | 0.06 | +http://www.ant.com/ |
| 35 | 8 | 0.00 | 2 | 0.01 | Unknown |
| 36 | 8 | 0.00 | 4 | 0.02 | http://abwc.iespana.es/vb/index.php |
| 37 | 8 | 0.00 | 4 | 0.02 | +http://www.exabot.com/go/robot |
| 38 | 8 | 0.00 | 4 | 0.02 | +http://www.sitebot.org/robot/ |
| 39 | 6 | 0.00 | 1 | 0.00 | http://www.google.com/bot.html |
| 40 | 5 | 0.00 | 4 | 0.02 | http://abwc.iespana.es/last.php |
| 41 | 4 | 0.00 | 1 | 0.00 | +http://www.scoutjet.com/ |
| 42 | 1 | 0.00 | 1 | 0.00 | http://abwc.iespana.es/forum/index.php |
| 43 | 1 | 0.00 | 0 | 0.00 | BeOS BePC |
| 44 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 45 | 1 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 46 | 1 | 0.00 | 1 | 0.00 | PPC Mac OS X Mach-O |
