| Used Operating Systems |
| 1 | 1347 | 56.67 | 293 | 78.55 | +http://www.google.com/bot.html |
| 2 | 890 | 37.44 | 46 | 12.33 | Windows NT |
| 3 | 38 | 1.60 | 17 | 4.56 | +http://yandex.com/bots |
| 4 | 36 | 1.51 | 2 | 0.54 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 18 | 0.76 | 1 | 0.27 | MirrorDetector; +http://yandex.com/bots |
| 6 | 14 | 0.59 | 6 | 1.61 | Windows 98 |
| 7 | 10 | 0.42 | 0 | 0.00 | http://sites.google.com/site/bendercrawl... |
| 8 | 4 | 0.17 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 9 | 4 | 0.17 | 2 | 0.54 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 4 | 0.17 | 2 | 0.54 | Linux i686 [unknown version] |
| 11 | 4 | 0.17 | 2 | 0.54 | +http://www.bing.com/bingbot.htm |
| 12 | 2 | 0.08 | 0 | 0.00 | +http://discoveryengine.com/discobot.htm... |
| 13 | 2 | 0.08 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 14 | 2 | 0.08 | 0 | 0.00 | X11 |
| 15 | 2 | 0.08 | 2 | 0.54 | +info@netcraft.com |
