| Used Operating Systems |
| 1 | 12396 | 71.31 | 657 | 41.19 | Windows NT |
| 2 | 1951 | 11.22 | 97 | 6.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 765 | 4.40 | 249 | 15.61 | +http://www.google.com/bot.html |
| 4 | 661 | 3.80 | 32 | 2.01 | http://www.dotnetdotcom.org/, crawler@do... |
| 5 | 404 | 2.32 | 37 | 2.32 | MirrorDetector; +http://yandex.com/bots |
| 6 | 393 | 2.26 | 180 | 11.29 | +http://yandex.com/bots |
| 7 | 248 | 1.43 | 205 | 12.85 | Windows 98 |
| 8 | 132 | 0.76 | 2 | 0.13 | Intel Mac OS X 10.6 |
| 9 | 122 | 0.70 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 10 | 52 | 0.30 | 9 | 0.56 | +http://www.bing.com/bingbot.htm |
| 11 | 46 | 0.26 | 6 | 0.38 | Linux i686 [unknown version] |
| 12 | 40 | 0.23 | 19 | 1.19 | +http://about.ask.com/en/docs/about/webm... |
| 13 | 36 | 0.21 | 0 | 0.00 | http://www.search17.com/bot.php |
| 14 | 35 | 0.20 | 35 | 2.19 | Windows 95 |
| 15 | 20 | 0.12 | 10 | 0.63 | +http://www.whoisde.de |
| 16 | 12 | 0.07 | 2 | 0.13 | Windows NT 5.2 |
| 17 | 11 | 0.06 | 0 | 0.00 | http://desktop.google.com/ |
| 18 | 9 | 0.05 | 9 | 0.56 | Windows CE |
| 19 | 9 | 0.05 | 9 | 0.56 | MSIE 5.5; Windows NT 4.0 |
| 20 | 8 | 0.05 | 7 | 0.44 | PPC Mac OS X Mach-O |
| 21 | 7 | 0.04 | 7 | 0.44 | Windows 3.1 |
| 22 | 5 | 0.03 | 5 | 0.31 | Auto; Windows |
| 23 | 5 | 0.03 | 4 | 0.25 | Windows ME |
| 24 | 4 | 0.02 | 2 | 0.13 | http://www.peew.de/crawler/ |
| 25 | 4 | 0.02 | 4 | 0.25 | Windows 2000 |
| 26 | 2 | 0.01 | 2 | 0.13 | Intel Mac OS X |
| 27 | 2 | 0.01 | 2 | 0.13 | Windows XP |
| 28 | 2 | 0.01 | 2 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 29 | 2 | 0.01 | 2 | 0.13 | ) - BrowseX (2.0.0 Windows |
