| Used Operating Systems |
| 1 | 12855 | 77.02 | 374 | 36.17 | Windows NT |
| 2 | 986 | 5.91 | 162 | 15.67 | +http://www.google.com/bot.html |
| 3 | 861 | 5.16 | 12 | 1.16 | +http://boston.lti.cs.cmu.edu/crawler_12... |
| 4 | 756 | 4.53 | 176 | 17.02 | +http://yandex.com/bots |
| 5 | 378 | 2.26 | 1 | 0.10 | +http://swebot.net |
| 6 | 256 | 1.53 | 120 | 11.61 | +http://www.bing.com/bingbot.htm |
| 7 | 209 | 1.25 | 6 | 0.58 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 154 | 0.92 | 121 | 11.70 | +http://www.baidu.com/search/spider.html |
| 9 | 52 | 0.31 | 1 | 0.10 | +http://discoveryengine.com/discobot.htm... |
| 10 | 37 | 0.22 | 11 | 1.06 | Windows 98 |
| 11 | 31 | 0.19 | 1 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 20 | 0.12 | 10 | 0.97 | ezooms.bot@gmail.com |
| 13 | 20 | 0.12 | 11 | 1.06 | +http://www.exabot.com/go/robot |
| 14 | 19 | 0.11 | 1 | 0.10 | Intel Mac OS X 10.5 |
| 15 | 13 | 0.08 | 10 | 0.97 | +http://ahrefs.com/robot/ |
| 16 | 10 | 0.06 | 2 | 0.19 | Intel Mac OS X 10.6 |
| 17 | 6 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 18 | 6 | 0.04 | 6 | 0.58 | Windows 95 |
| 19 | 4 | 0.02 | 0 | 0.00 | Windows 91 |
| 20 | 3 | 0.02 | 0 | 0.00 | J2ME/MIDP |
| 21 | 3 | 0.02 | 3 | 0.29 | +info@netcraft.com |
| 22 | 2 | 0.01 | 0 | 0.00 | Windows 9. |
| 23 | 2 | 0.01 | 2 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 24 | 2 | 0.01 | 2 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 25 | 2 | 0.01 | 0 | 0.00 | MTK |
| 26 | 1 | 0.01 | 1 | 0.10 | Windows ME |
| 27 | 1 | 0.01 | 1 | 0.10 | Windows 3.1 |
| 28 | 1 | 0.01 | 0 | 0.00 | S60 |
