| Used Operating Systems |
| 1 | 6337 | 42.62 | 386 | 13.47 | Windows NT |
| 2 | 4593 | 30.89 | 102 | 3.56 | +http://www.google.com/bot.html |
| 3 | 2193 | 14.75 | 1606 | 56.04 | +http://www.baidu.com/search/spider.html |
| 4 | 467 | 3.14 | 183 | 6.39 | +http://www.bing.com/bingbot.htm |
| 5 | 305 | 2.05 | 132 | 4.61 | +http://yandex.com/bots |
| 6 | 262 | 1.76 | 43 | 1.50 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 236 | 1.59 | 235 | 8.20 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 173 | 1.16 | 67 | 2.34 | ezooms.bot@gmail.com |
| 9 | 46 | 0.31 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 10 | 42 | 0.28 | 21 | 0.73 | +http://shoulu.jike.com/spider.html |
| 11 | 27 | 0.18 | 3 | 0.10 | Windows 98 |
| 12 | 26 | 0.17 | 13 | 0.45 | Windows 95 |
| 13 | 17 | 0.11 | 9 | 0.31 | Linux i686 [unknown version] |
| 14 | 16 | 0.11 | 15 | 0.52 | +http://ahrefs.com/robot/ |
| 15 | 16 | 0.11 | 6 | 0.21 | +http://www.exabot.com/go/robot |
| 16 | 15 | 0.10 | 6 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 14 | 0.09 | 2 | 0.07 | +http://www.aihit.com/ |
| 18 | 12 | 0.08 | 4 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 19 | 10 | 0.07 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 20 | 10 | 0.07 | 10 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 21 | 9 | 0.06 | 1 | 0.03 | Linux [unknown version] |
| 22 | 8 | 0.05 | 4 | 0.14 | +http://discoveryengine.com/discobot.htm... |
| 23 | 6 | 0.04 | 0 | 0.00 | Windows 9. |
| 24 | 5 | 0.03 | 5 | 0.17 | WinHttp.WinHttpRequest.5 |
| 25 | 4 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 26 | 3 | 0.02 | 3 | 0.10 | Windows ME |
| 27 | 3 | 0.02 | 1 | 0.03 | ReverseGet/1.0; http://reverseget.com/; ... |
| 28 | 2 | 0.01 | 2 | 0.07 | Windows CE |
| 29 | 2 | 0.01 | 2 | 0.07 | Windows 2000 |
| 30 | 2 | 0.01 | 1 | 0.03 | http://benderthewebrobot.tumblr.com |
| 31 | 2 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 32 | 2 | 0.01 | 1 | 0.03 | +http://swebot.net |
| 33 | 1 | 0.01 | 1 | 0.03 | twingly.com |
| 34 | 1 | 0.01 | 1 | 0.03 | http://www.lipperhey.com/ |
| 35 | 1 | 0.01 | 0 | 0.00 | Windows 3.1 |
