| Used Operating Systems |
| 1 | 1757 | 47.62 | 1598 | 59.58 | +http://www.baidu.com/search/spider.html |
| 2 | 1104 | 29.92 | 772 | 28.78 | Windows NT |
| 3 | 234 | 6.34 | 30 | 1.12 | +http://www.google.com/bot.html |
| 4 | 218 | 5.91 | 84 | 3.13 | +http://www.bing.com/bingbot.htm |
| 5 | 128 | 3.47 | 21 | 0.78 | +http://yandex.com/bots |
| 6 | 83 | 2.25 | 60 | 2.24 | +http://shoulu.jike.com/spider.html |
| 7 | 79 | 2.14 | 77 | 2.87 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 20 | 0.54 | 10 | 0.37 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 11 | 0.30 | 3 | 0.11 | +http://www.aihit.com/ |
| 10 | 10 | 0.27 | 5 | 0.19 | +http://www.procog.com/ |
| 11 | 8 | 0.22 | 4 | 0.15 | ezooms.bot@gmail.com |
| 12 | 8 | 0.22 | 4 | 0.15 | +http://siteexplorer.info/ |
| 13 | 7 | 0.19 | 3 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 4 | 0.11 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 15 | 4 | 0.11 | 2 | 0.07 | bot@language-tools.com |
| 16 | 4 | 0.11 | 2 | 0.07 | http://www.botje.com/plukkie.htm |
| 17 | 3 | 0.08 | 1 | 0.04 | +info@netcraft.com |
| 18 | 2 | 0.05 | 2 | 0.07 | +http://help.soso.com/webspider.htm |
| 19 | 2 | 0.05 | 2 | 0.07 | Linux [unknown version] |
| 20 | 2 | 0.05 | 0 | 0.00 | Windows 98 |
| 21 | 2 | 0.05 | 2 | 0.07 | Linux i686 [unknown version] |
