| Used Operating Systems |
| 1 | 2129 | 47.61 | 2014 | 74.95 | +http://www.baidu.com/search/spider.html |
| 2 | 797 | 17.82 | 193 | 7.18 | Windows NT |
| 3 | 749 | 16.75 | 170 | 6.33 | +http://www.google.com/bot.html |
| 4 | 288 | 6.44 | 139 | 5.17 | +http://yandex.com/bots |
| 5 | 238 | 5.32 | 73 | 2.72 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 101 | 2.26 | 40 | 1.49 | +http://www.bing.com/bingbot.htm |
| 7 | 46 | 1.03 | 19 | 0.71 | +http://www.exabot.com/go/robot |
| 8 | 43 | 0.96 | 5 | 0.19 | Windows 98 |
| 9 | 18 | 0.40 | 8 | 0.30 | ezooms.bot@gmail.com |
| 10 | 13 | 0.29 | 7 | 0.26 | +http://shoulu.jike.com/spider.html |
| 11 | 9 | 0.20 | 3 | 0.11 | ReverseGet/1.0; http://reverseget.com/; ... |
| 12 | 6 | 0.13 | 1 | 0.04 | +http://www.warebay.com/bot.html |
| 13 | 6 | 0.13 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 14 | 6 | 0.13 | 2 | 0.07 | Linux i686 [unknown version] |
| 15 | 5 | 0.11 | 3 | 0.11 | +info@netcraft.com |
| 16 | 4 | 0.09 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 17 | 2 | 0.04 | 1 | 0.04 | Windows NT 5.1 |
| 18 | 2 | 0.04 | 1 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 19 | 2 | 0.04 | 2 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 2 | 0.04 | 1 | 0.04 | bot@language-tools.com |
| 21 | 2 | 0.04 | 2 | 0.07 | WinHttp.WinHttpRequest.5 |
| 22 | 1 | 0.02 | 1 | 0.04 | Windows 95 |
| 23 | 1 | 0.02 | 1 | 0.04 | Windows ME |
| 24 | 1 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 25 | 1 | 0.02 | 1 | 0.04 | X11 |
