| Used Operating Systems |
| 1 | 33557 | 32.37 | 567 | 3.85 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 25089 | 24.20 | 25 | 0.17 | +http://webmeup-crawler.com/ |
| 3 | 16658 | 16.07 | 4202 | 28.53 | Windows NT |
| 4 | 7877 | 7.60 | 7479 | 50.77 | +http://www.baidu.com/search/spider.html |
| 5 | 6402 | 6.17 | 88 | 0.60 | +http://yandex.com/bots |
| 6 | 5593 | 5.39 | 1556 | 10.56 | +http://www.google.com/bot.html |
| 7 | 4504 | 4.34 | 549 | 3.73 | +http://www.bing.com/bingbot.htm |
| 8 | 924 | 0.89 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 882 | 0.85 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 10 | 868 | 0.84 | 80 | 0.54 | Windows 98 |
| 11 | 739 | 0.71 | 1 | 0.01 | FreeBSD [unknown version] |
| 12 | 149 | 0.14 | 77 | 0.52 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 113 | 0.11 | 21 | 0.14 | +http://www.exabot.com/go/robot |
| 14 | 65 | 0.06 | 10 | 0.07 | X11 |
| 15 | 62 | 0.06 | 25 | 0.17 | +http://www.linkdex.com/about/bots/ |
| 16 | 50 | 0.05 | 2 | 0.01 | Linux [unknown version] |
| 17 | 34 | 0.03 | 7 | 0.05 | Android 2.3.5 |
| 18 | 26 | 0.03 | 1 | 0.01 | Linux i686 [unknown version] |
| 19 | 22 | 0.02 | 2 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 20 | 16 | 0.02 | 8 | 0.05 | help@moz.com |
| 21 | 12 | 0.01 | 12 | 0.08 | Windows 95 |
| 22 | 10 | 0.01 | 1 | 0.01 | Android |
| 23 | 4 | 0.00 | 0 | 0.00 | Win32 |
| 24 | 3 | 0.00 | 3 | 0.02 | Windows CE |
| 25 | 3 | 0.00 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 26 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 27 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 29 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 30 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 32 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 33 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 34 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
