| Used Operating Systems |
| 1 | 765 | 64.78 | 55 | 24.44 | Windows NT |
| 2 | 154 | 13.04 | 74 | 32.89 | +http://www.google.com/bot.html |
| 3 | 100 | 8.47 | 47 | 20.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 36 | 3.05 | 9 | 4.00 | http://www.dotnetdotcom.org/, crawler@do... |
| 5 | 29 | 2.46 | 14 | 6.22 | +http://about.ask.com/en/docs/about/webm... |
| 6 | 26 | 2.20 | 8 | 3.56 | Linux i686 [unknown version] |
| 7 | 18 | 1.52 | 9 | 4.00 | +http://www.exabot.com/go/robot |
| 8 | 16 | 1.35 | 2 | 0.89 | +http://www.seoprofiler.com/bot/ |
| 9 | 16 | 1.35 | 2 | 0.89 | Windows NT 5.2 |
| 10 | 14 | 1.19 | 2 | 0.89 | +http://www.puritysearch.net/ |
| 11 | 5 | 0.42 | 3 | 1.33 | +info@netcraft.com |
| 12 | 2 | 0.17 | 0 | 0.00 | http://desktop.google.com/ |
