| Used Operating Systems |
| 1 | 6078 | 67.61 | 648 | 48.72 | Windows NT |
| 2 | 911 | 10.13 | 349 | 26.24 | +http://www.google.com/bot.html |
| 3 | 659 | 7.33 | 184 | 13.83 | +http://yandex.com/bots |
| 4 | 300 | 3.34 | 38 | 2.86 | MirrorDetector; +http://yandex.com/bots |
| 5 | 226 | 2.51 | 53 | 3.98 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 206 | 2.29 | 4 | 0.30 | Windows NT 5.2 |
| 7 | 165 | 1.84 | 35 | 2.63 | Windows 98 |
| 8 | 78 | 0.87 | 0 | 0.00 | Solaris 7.x |
| 9 | 42 | 0.47 | 1 | 0.08 | http://www.dotnetdotcom.org/, crawler@do... |
| 10 | 38 | 0.42 | 1 | 0.08 | +http://WebDataCentre.com/ |
| 11 | 37 | 0.41 | 1 | 0.08 | +http://www.guruji.com/en/WebmasterFAQ.h... |
| 12 | 34 | 0.38 | 1 | 0.08 | +http://www.scoutjet.com/ |
| 13 | 33 | 0.37 | 1 | 0.08 | +http://www.seexie.com |
| 14 | 30 | 0.33 | 4 | 0.30 | Linux i686 [unknown version] |
| 15 | 28 | 0.31 | 1 | 0.08 | +http://www.exabot.com/go/robot |
| 16 | 26 | 0.29 | 1 | 0.08 | +http://www.rexyo.com/robot.html |
| 17 | 24 | 0.27 | 1 | 0.08 | http://www.botje.com/plukkie.htm |
| 18 | 18 | 0.20 | 1 | 0.08 | Intel Mac OS X 10.6 |
| 19 | 14 | 0.16 | 2 | 0.15 | Intel Mac OS X 10.5 |
| 20 | 10 | 0.11 | 0 | 0.00 | http://help.naver.com/customer_webtxt_02... |
| 21 | 8 | 0.09 | 0 | 0.00 | FreeBSD [unknown version] |
| 22 | 8 | 0.09 | 0 | 0.00 | +http://about.ask.com/en/docs/about/webm... |
| 23 | 4 | 0.04 | 2 | 0.15 | +http://www.aihit.com/ |
| 24 | 4 | 0.04 | 2 | 0.15 | http://www.search17.com/bot.php |
| 25 | 4 | 0.04 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 26 | 2 | 0.02 | 0 | 0.00 | Windows SP1; |
| 27 | 2 | 0.02 | 0 | 0.00 | Macintosh |
| 28 | 1 | 0.01 | 0 | 0.00 | Linux [unknown version] |
