| Used Operating Systems |
| 1 | 12133 | 81.47 | 257 | 15.98 | Windows NT |
| 2 | 1009 | 6.77 | 814 | 50.62 | +http://www.baidu.com/search/spider.html |
| 3 | 558 | 3.75 | 227 | 14.12 | +http://www.google.com/bot.html |
| 4 | 484 | 3.25 | 33 | 2.05 | +http://yandex.com/bots |
| 5 | 138 | 0.93 | 2 | 0.12 | Intel Mac OS X 10.4 |
| 6 | 132 | 0.89 | 100 | 6.22 | http://www.yodao.com/help/webmaster/spid... |
| 7 | 125 | 0.84 | 26 | 1.62 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 122 | 0.82 | 46 | 2.86 | +http://www.bing.com/bingbot.htm |
| 9 | 42 | 0.28 | 22 | 1.37 | ezooms.bot@gmail.com |
| 10 | 28 | 0.19 | 11 | 0.68 | +http://www.exabot.com/go/robot |
| 11 | 18 | 0.12 | 9 | 0.56 | +http://shoulu.jike.com/spider.html |
| 12 | 14 | 0.09 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 13 | 14 | 0.09 | 2 | 0.12 | Intel Mac OS X 10.6 |
| 14 | 13 | 0.09 | 11 | 0.68 | +http://ahrefs.com/robot/ |
| 15 | 12 | 0.08 | 12 | 0.75 | Linux i686 [unknown version] |
| 16 | 10 | 0.07 | 6 | 0.37 | +http://discoveryengine.com/discobot.htm... |
| 17 | 7 | 0.05 | 4 | 0.25 | Linux [unknown version] |
| 18 | 7 | 0.05 | 7 | 0.44 | Windows 95 |
| 19 | 5 | 0.03 | 5 | 0.31 | Win32 |
| 20 | 4 | 0.03 | 1 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 21 | 4 | 0.03 | 4 | 0.25 | Windows XP |
| 22 | 3 | 0.02 | 1 | 0.06 | http://crawler.sistrix.net/ |
| 23 | 3 | 0.02 | 2 | 0.12 | Windows 98 |
| 24 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 25 | 2 | 0.01 | 2 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 26 | 2 | 0.01 | 2 | 0.12 | +info@netcraft.com |
| 27 | 1 | 0.01 | 1 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 28 | 1 | 0.01 | 1 | 0.06 | Windows 3.1 |
