| Used Operating Systems |
| 1 | 28282 | 44.73 | 1907 | 57.37 | Windows NT |
| 2 | 27236 | 43.08 | 527 | 15.85 | +http://www.google.com/bot.html |
| 3 | 2907 | 4.60 | 608 | 18.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 1416 | 2.24 | 24 | 0.72 | Intel Mac OS X 10.5 |
| 5 | 921 | 1.46 | 37 | 1.11 | Linux i686 [unknown version] |
| 6 | 921 | 1.46 | 36 | 1.08 | Windows 98 |
| 7 | 576 | 0.91 | 11 | 0.33 | Intel Mac OS X 10.6 |
| 8 | 450 | 0.71 | 1 | 0.03 | +http://www.puritysearch.net/ |
| 9 | 82 | 0.13 | 9 | 0.27 | PPC Mac OS X Mach-O |
| 10 | 72 | 0.11 | 8 | 0.24 | http://www.dotnetdotcom.org/, crawler@do... |
| 11 | 64 | 0.10 | 56 | 1.68 | +http://yandex.com/bots |
| 12 | 51 | 0.08 | 3 | 0.09 | Intel Mac OS X 10.4 |
| 13 | 50 | 0.08 | 25 | 0.75 | +http://about.ask.com/en/docs/about/webm... |
| 14 | 45 | 0.07 | 2 | 0.06 | http://www.majestic12.co.uk/bot.php?+ |
| 15 | 26 | 0.04 | 13 | 0.39 | http://www.kalooga.com/info.html?page=cr... |
| 16 | 26 | 0.04 | 13 | 0.39 | http://misc.yahoo.com.cn/help.html |
| 17 | 15 | 0.02 | 8 | 0.24 | +http://www.exabot.com/go/robot |
| 18 | 11 | 0.02 | 2 | 0.06 | +http://www.scoutjet.com/ |
| 19 | 11 | 0.02 | 5 | 0.15 | http://help.naver.com/customer_webtxt_02... |
| 20 | 10 | 0.02 | 9 | 0.27 | Windows 95 |
| 21 | 9 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 22 | 9 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 23 | 8 | 0.01 | 4 | 0.12 | +http://www.seoprofiler.com/bot |
| 24 | 6 | 0.01 | 1 | 0.03 | MirrorDetector; +http://yandex.com/bots |
| 25 | 4 | 0.01 | 4 | 0.12 | Windows ME |
| 26 | 4 | 0.01 | 3 | 0.09 | [email protected] |
| 27 | 3 | 0.00 | 1 | 0.03 | Intel Mac OS X |
| 28 | 2 | 0.00 | 1 | 0.03 | Windows 2000 |
| 29 | 2 | 0.00 | 1 | 0.03 | Windows XP |
| 30 | 2 | 0.00 | 1 | 0.03 | http://www.kilomonkey.com/notabot.txt |
| 31 | 2 | 0.00 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 32 | 1 | 0.00 | 1 | 0.03 | Windows NT 5.2 |
| 33 | 1 | 0.00 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
