| Used Operating Systems |
| 1 | 2537 | 38.08 | 523 | 16.46 | Windows NT |
| 2 | 1933 | 29.02 | 1685 | 53.04 | +http://www.baidu.com/search/spider.html |
| 3 | 688 | 10.33 | 303 | 9.54 | +http://www.google.com/bot.html |
| 4 | 557 | 8.36 | 165 | 5.19 | +http://yandex.com/bots |
| 5 | 323 | 4.85 | 300 | 9.44 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 211 | 3.17 | 77 | 2.42 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 136 | 2.04 | 46 | 1.45 | +http://www.bing.com/bingbot.htm |
| 8 | 91 | 1.37 | 46 | 1.45 | Intel Mac OS X 10.6 |
| 9 | 54 | 0.81 | 5 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 38 | 0.57 | 2 | 0.06 | +http://boston.lti.cs.cmu.edu/crawler_12... |
| 11 | 22 | 0.33 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 12 | 18 | 0.27 | 1 | 0.03 | Windows Phone OS 7.0 |
| 13 | 15 | 0.23 | 9 | 0.28 | +http://shoulu.jike.com/spider.html |
| 14 | 11 | 0.17 | 1 | 0.03 | Windows 98 |
| 15 | 10 | 0.15 | 5 | 0.16 | http://www.youdao.com/help/webmaster/spi... |
| 16 | 4 | 0.06 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 17 | 4 | 0.06 | 2 | 0.06 | ezooms.bot@gmail.com |
| 18 | 3 | 0.05 | 1 | 0.03 | ReverseGet/1.0; http://reverseget.com/; ... |
| 19 | 2 | 0.03 | 1 | 0.03 | +http://discoveryengine.com/discobot.htm... |
| 20 | 2 | 0.03 | 2 | 0.06 | Linux i686 [unknown version] |
| 21 | 2 | 0.03 | 1 | 0.03 | +http://www.exabot.com/go/robot |
| 22 | 1 | 0.02 | 1 | 0.03 | +http://swebot.net |
