| Used Operating Systems |
| 1 | 5041 | 35.69 | 669 | 22.38 | Windows NT |
| 2 | 2837 | 20.08 | 555 | 18.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 2345 | 16.60 | 258 | 8.63 | +http://yandex.com/bots |
| 4 | 1426 | 10.09 | 396 | 13.25 | +http://www.google.com/bot.html |
| 5 | 709 | 5.02 | 448 | 14.99 | +http://www.baidu.com/search/spider.html |
| 6 | 401 | 2.84 | 398 | 13.32 | http://www.yodao.com/help/webmaster/spid... |
| 7 | 381 | 2.70 | 58 | 1.94 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 346 | 2.45 | 24 | 0.80 | +http://www.scoutjet.com/ |
| 9 | 205 | 1.45 | 24 | 0.80 | +http://ahrefs.com/robot/ |
| 10 | 116 | 0.82 | 45 | 1.51 | ezooms.bot@gmail.com |
| 11 | 102 | 0.72 | 36 | 1.20 | +http://www.bing.com/bingbot.htm |
| 12 | 48 | 0.34 | 22 | 0.74 | Windows 98 |
| 13 | 33 | 0.23 | 14 | 0.47 | +http://discoveryengine.com/discobot.htm... |
| 14 | 26 | 0.18 | 14 | 0.47 | +http://www.exabot.com/go/robot |
| 15 | 24 | 0.17 | 2 | 0.07 | Linux i686 [unknown version] |
| 16 | 16 | 0.11 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 17 | 16 | 0.11 | 10 | 0.33 | Windows 95 |
| 18 | 12 | 0.08 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 19 | 10 | 0.07 | 5 | 0.17 | http://misc.yahoo.com.cn/help.html |
| 20 | 6 | 0.04 | 0 | 0.00 | 0824 |
| 21 | 5 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 22 | 4 | 0.03 | 0 | 0.00 | http://www.thefind.com/crawler |
| 23 | 4 | 0.03 | 2 | 0.07 | +info@netcraft.com |
| 24 | 3 | 0.02 | 3 | 0.10 | Windows 3.1 |
| 25 | 2 | 0.01 | 2 | 0.07 | Windows 2000 |
| 26 | 2 | 0.01 | 0 | 0.00 | http://www.topix.net/topix/newsfeeds |
| 27 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 28 | 2 | 0.01 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 29 | 2 | 0.01 | 2 | 0.07 | MSIE 5.5; Windows NT 5.0 |