| Used Operating Systems |
| 1 | 50883 | 54.65 | 375 | 3.66 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 17889 | 19.21 | 3744 | 36.59 | Windows NT |
| 3 | 13196 | 14.17 | 353 | 3.45 | help@moz.com |
| 4 | 5646 | 6.06 | 4759 | 46.51 | +http://www.baidu.com/search/spider.html |
| 5 | 1461 | 1.57 | 385 | 3.76 | +http://www.google.com/bot.html |
| 6 | 781 | 0.84 | 71 | 0.69 | +http://www.profound.net/urlappendbot.ht... |
| 7 | 644 | 0.69 | 5 | 0.05 | +http://www.warebay.com/bot.html |
| 8 | 602 | 0.65 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 9 | 584 | 0.63 | 257 | 2.51 | +http://www.bing.com/bingbot.htm |
| 10 | 571 | 0.61 | 46 | 0.45 | +http://yandex.com/bots |
| 11 | 240 | 0.26 | 68 | 0.66 | +http://www.linkdex.com/about/bots/ |
| 12 | 116 | 0.12 | 13 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 115 | 0.12 | 10 | 0.10 | X11 |
| 14 | 65 | 0.07 | 5 | 0.05 | +http://www.seoprofiler.com/bot |
| 15 | 62 | 0.07 | 31 | 0.30 | +http://help.coccoc.com/ |
| 16 | 58 | 0.06 | 26 | 0.25 | +http://www.exabot.com/go/robot |
| 17 | 52 | 0.06 | 16 | 0.16 | Android 2.3.5 |
| 18 | 24 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 17 | 0.02 | 11 | 0.11 | Windows 98 |
| 20 | 14 | 0.02 | 13 | 0.13 | Windows 95 |
| 21 | 9 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 8 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 8 | 0.01 | 8 | 0.08 | Windows 3.1 |
| 24 | 7 | 0.01 | 6 | 0.06 | Windows CE |
| 25 | 6 | 0.01 | 6 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 26 | 5 | 0.01 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.19; Windows NT 6.... |
| 27 | 5 | 0.01 | 5 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 28 | 4 | 0.00 | 4 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 29 | 4 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/ |
| 30 | 3 | 0.00 | 0 | 0.00 | Win32 |
| 31 | 3 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 32 | 3 | 0.00 | 3 | 0.03 | Auto; Windows |
| 33 | 3 | 0.00 | 0 | 0.00 | Windows XP |
| 34 | 2 | 0.00 | 2 | 0.02 | Windows 2000 |
| 35 | 2 | 0.00 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 36 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 37 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 38 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 39 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 40 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 41 | 1 | 0.00 | 0 | 0.00 | +http://www.compspy.com/spider.html |
| 42 | 1 | 0.00 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 43 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
