| Used Operating Systems |
| 1 | 300 | 36.36 | 40 | 17.02 | Windows NT |
| 2 | 190 | 23.03 | 88 | 37.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 144 | 17.45 | 72 | 30.64 | +http://www.google.com/bot.html |
| 4 | 52 | 6.30 | 0 | 0.00 | Windows 98 |
| 5 | 28 | 3.39 | 2 | 0.85 | +http://www.dontbuylists.com/ |
| 6 | 26 | 3.15 | 13 | 5.53 | +http://about.ask.com/en/docs/about/webm... |
| 7 | 22 | 2.67 | 2 | 0.85 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 20 | 2.42 | 4 | 1.70 | Linux i686 [unknown version] |
| 9 | 16 | 1.94 | 7 | 2.98 | +http://www.exabot.com/go/robot |
| 10 | 16 | 1.94 | 2 | 0.85 | Windows NT 5.2 |
| 11 | 7 | 0.85 | 1 | 0.43 | +http://WebDataCentre.com/ |
| 12 | 2 | 0.24 | 2 | 0.85 | Windows 95 |
| 13 | 2 | 0.24 | 2 | 0.85 | +info@netcraft.com |
