| Used Operating Systems |
| 1 | 17183 | 65.19 | 10294 | 91.62 | +http://www.baidu.com/search/spider.html |
| 2 | 3595 | 13.64 | 371 | 3.30 | Windows NT |
| 3 | 2882 | 10.93 | 60 | 0.53 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 716 | 2.72 | 255 | 2.27 | +http://www.google.com/bot.html |
| 5 | 680 | 2.58 | 79 | 0.70 | +http://yandex.com/bots |
| 6 | 311 | 1.18 | 15 | 0.13 | Windows 98 |
| 7 | 250 | 0.95 | 1 | 0.01 | +http://www.puritysearch.net/ |
| 8 | 203 | 0.77 | 16 | 0.14 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 130 | 0.49 | 6 | 0.05 | ezooms.bot@gmail.com |
| 10 | 103 | 0.39 | 1 | 0.01 | http://www.nerdbynature.net/bot |
| 11 | 60 | 0.23 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 12 | 55 | 0.21 | 26 | 0.23 | +http://www.bing.com/bingbot.htm |
| 13 | 51 | 0.19 | 51 | 0.45 | http://www.yodao.com/help/webmaster/spid... |
| 14 | 14 | 0.05 | 12 | 0.11 | Windows 95 |
| 15 | 12 | 0.05 | 1 | 0.01 | Linux i686 [unknown version] |
| 16 | 12 | 0.05 | 1 | 0.01 | +http://www.guruji.com/en/WebmasterFAQ.h... |
| 17 | 10 | 0.04 | 2 | 0.02 | +http://www.exabot.com/go/robot |
| 18 | 9 | 0.03 | 1 | 0.01 | http://www.dotnetdotcom.org/, crawler@do... |
| 19 | 8 | 0.03 | 1 | 0.01 | +http://ahrefs.com/robot/ |
| 20 | 8 | 0.03 | 1 | 0.01 | +http://WebDataCentre.com/ |
| 21 | 8 | 0.03 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 22 | 8 | 0.03 | 6 | 0.05 | Windows 3.1 |
| 23 | 8 | 0.03 | 8 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 24 | 6 | 0.02 | 1 | 0.01 | +http://www.scoutjet.com/ |
| 25 | 6 | 0.02 | 1 | 0.01 | +http://www.seexie.com |
| 26 | 6 | 0.02 | 6 | 0.05 | Windows ME |
| 27 | 5 | 0.02 | 1 | 0.01 | +http://www.rexyo.com/robot.html |
| 28 | 5 | 0.02 | 5 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 29 | 4 | 0.02 | 4 | 0.04 | Windows CE |
| 30 | 4 | 0.02 | 4 | 0.04 | Windows XP |
| 31 | 3 | 0.01 | 3 | 0.03 | Windows 2000 |
| 32 | 3 | 0.01 | 0 | 0.00 | Linux 2.0.x |
