| Used Operating Systems |
| 1 | 4041 | 45.33 | 310 | 11.08 | Windows NT |
| 2 | 1813 | 20.34 | 1611 | 57.56 | +http://www.baidu.com/search/spider.html |
| 3 | 1350 | 15.14 | 103 | 3.68 | +http://www.google.com/bot.html |
| 4 | 342 | 3.84 | 190 | 6.79 | +http://www.bing.com/bingbot.htm |
| 5 | 283 | 3.17 | 48 | 1.71 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 270 | 3.03 | 99 | 3.54 | +http://yandex.com/bots |
| 7 | 178 | 2.00 | 177 | 6.32 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 154 | 1.73 | 62 | 2.22 | ezooms.bot@gmail.com |
| 9 | 119 | 1.33 | 81 | 2.89 | +http://ahrefs.com/robot/ |
| 10 | 54 | 0.61 | 25 | 0.89 | +http://www.exabot.com/go/robot |
| 11 | 52 | 0.58 | 5 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 39 | 0.44 | 12 | 0.43 | Windows 95 |
| 13 | 38 | 0.43 | 20 | 0.71 | +http://shoulu.jike.com/spider.html |
| 14 | 26 | 0.29 | 8 | 0.29 | Windows 98 |
| 15 | 21 | 0.24 | 1 | 0.04 | Intel Mac OS X 10.5 |
| 16 | 17 | 0.19 | 6 | 0.21 | Linux i686 [unknown version] |
| 17 | 16 | 0.18 | 2 | 0.07 | +http://www.aihit.com/ |
| 18 | 10 | 0.11 | 4 | 0.14 | Linux [unknown version] |
| 19 | 9 | 0.10 | 3 | 0.11 | +http://swebot-crawler.net |
| 20 | 8 | 0.09 | 0 | 0.00 | Windows 9. |
| 21 | 8 | 0.09 | 2 | 0.07 | http://www.botje.com/plukkie.htm |
| 22 | 7 | 0.08 | 1 | 0.04 | Windows 2000 |
| 23 | 7 | 0.08 | 4 | 0.14 | +http://discoveryengine.com/discobot.htm... |
| 24 | 7 | 0.08 | 7 | 0.25 | WinHttp.WinHttpRequest.5 |
| 25 | 7 | 0.08 | 1 | 0.04 | Intel Mac OS X 10.6 |
| 26 | 5 | 0.06 | 4 | 0.14 | Windows CE |
| 27 | 5 | 0.06 | 3 | 0.11 | http://crawler.sistrix.net/ |
| 28 | 4 | 0.04 | 0 | 0.00 | Auto; Windows |
| 29 | 3 | 0.03 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 30 | 3 | 0.03 | 1 | 0.04 | Windows XP |
| 31 | 3 | 0.03 | 1 | 0.04 | Windows 3.1 |
| 32 | 2 | 0.02 | 2 | 0.07 | Intel Mac OS X |
| 33 | 2 | 0.02 | 2 | 0.07 | Windows NT 5.1 |
| 34 | 2 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 35 | 2 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.02 | 1 | 0.04 | +http://domains.checkparams.com/ |
| 37 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 38 | 1 | 0.01 | 1 | 0.04 | Win32 |
| 39 | 1 | 0.01 | 1 | 0.04 | +http://eripp.com |
| 40 | 1 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 41 | 1 | 0.01 | 1 | 0.04 | Windows ME |
