| Used Operating Systems |
| 1 | 3671 | 42.76 | 969 | 28.12 | Windows NT |
| 2 | 1826 | 21.27 | 1671 | 48.49 | +http://www.baidu.com/search/spider.html |
| 3 | 829 | 9.66 | 138 | 4.00 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 656 | 7.64 | 251 | 7.28 | +http://www.bing.com/bingbot.htm |
| 5 | 475 | 5.53 | 161 | 4.67 | +http://www.google.com/bot.html |
| 6 | 466 | 5.43 | 24 | 0.70 | +http://yandex.com/bots |
| 7 | 129 | 1.50 | 53 | 1.54 | help@moz.com |
| 8 | 125 | 1.46 | 38 | 1.10 | +http://www.linkdex.com/about/bots/ |
| 9 | 73 | 0.85 | 38 | 1.10 | +http://help.coccoc.com/ |
| 10 | 52 | 0.61 | 4 | 0.12 | +http://www.seoprofiler.com/bot |
| 11 | 44 | 0.51 | 15 | 0.44 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 37 | 0.43 | 18 | 0.52 | +http://www.easou.com/search/spider.html |
| 13 | 37 | 0.43 | 15 | 0.44 | +http://www.exabot.com/go/robot |
| 14 | 24 | 0.28 | 6 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 15 | 0.17 | 1 | 0.03 | http://www.lipperhey.com/ |
| 16 | 14 | 0.16 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 17 | 11 | 0.13 | 10 | 0.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 11 | 0.13 | 1 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 19 | 10 | 0.12 | 4 | 0.12 | +http://siteexplorer.info/ |
| 20 | 9 | 0.10 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 21 | 8 | 0.09 | 4 | 0.12 | Windows 98 |
| 22 | 8 | 0.09 | 4 | 0.12 | +http://fulltext.sblog.cz/ |
| 23 | 7 | 0.08 | 0 | 0.00 | Linux 2.4.x |
| 24 | 7 | 0.08 | 2 | 0.06 | +http://www.semrush.com/bot.html |
| 25 | 6 | 0.07 | 0 | 0.00 | Win32 |
| 26 | 6 | 0.07 | 6 | 0.17 | +http://pmoz.info/doc/botinfo.htm |
| 27 | 6 | 0.07 | 3 | 0.09 | http://crawler.sistrix.net/ |
| 28 | 4 | 0.05 | 0 | 0.00 | Macintosh PPC |
| 29 | 4 | 0.05 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 30 | 4 | 0.05 | 1 | 0.03 | +http://spider.socialbm.net |
| 31 | 3 | 0.03 | 2 | 0.06 | +info@netcraft.com |
| 32 | 2 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 33 | 2 | 0.02 | 2 | 0.06 | Linux [unknown version] |
| 34 | 2 | 0.02 | 1 | 0.03 | +http://tweetmeme.com/ |
| 35 | 1 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 36 | 1 | 0.01 | 1 | 0.03 | WinHttp.WinHttpRequest.5 |
| 37 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
