| Used Operating Systems |
| 1 | 12200 | 27.98 | 8148 | 52.96 | +http://www.baidu.com/search/spider.html |
| 2 | 10126 | 23.22 | 3701 | 24.05 | Windows NT |
| 3 | 8748 | 20.06 | 256 | 1.66 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 4635 | 10.63 | 718 | 4.67 | +http://www.bing.com/bingbot.htm |
| 5 | 2305 | 5.29 | 823 | 5.35 | +http://www.google.com/bot.html |
| 6 | 1212 | 2.78 | 258 | 1.68 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1114 | 2.55 | 725 | 4.71 | +http://www.easou.com/search/spider.html |
| 8 | 618 | 1.42 | 55 | 0.36 | Windows 98 |
| 9 | 467 | 1.07 | 90 | 0.58 | +http://yandex.com/bots |
| 10 | 431 | 0.99 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 11 | 291 | 0.67 | 223 | 1.45 | +http://ahrefs.com/robot/ |
| 12 | 258 | 0.59 | 136 | 0.88 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 220 | 0.50 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 14 | 154 | 0.35 | 46 | 0.30 | +http://www.linkdex.com/bots/ |
| 15 | 135 | 0.31 | 3 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 16 | 114 | 0.26 | 40 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 85 | 0.19 | 5 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 18 | 77 | 0.18 | 48 | 0.31 | Windows 95 |
| 19 | 70 | 0.16 | 26 | 0.17 | +http://www.exabot.com/go/robot |
| 20 | 68 | 0.16 | 1 | 0.01 | Linux i686 [unknown version] |
| 21 | 66 | 0.15 | 6 | 0.04 | +http://www.profound.net/urlappendbot.ht... |
| 22 | 32 | 0.07 | 1 | 0.01 | +http://www.linkpad.ru |
| 23 | 21 | 0.05 | 13 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 24 | 15 | 0.03 | 3 | 0.02 | X11 |
| 25 | 14 | 0.03 | 8 | 0.05 | Windows 2000 |
| 26 | 13 | 0.03 | 11 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 27 | 12 | 0.03 | 6 | 0.04 | Windows XP |
| 28 | 11 | 0.03 | 4 | 0.03 | Windows CE |
| 29 | 10 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 30 | 9 | 0.02 | 3 | 0.02 | Auto; Windows |
| 31 | 8 | 0.02 | 2 | 0.01 | BlackBerry |
| 32 | 7 | 0.02 | 5 | 0.03 | Windows ME |
| 33 | 7 | 0.02 | 2 | 0.01 | +http://gimme60.com |
| 34 | 6 | 0.01 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 35 | 6 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 36 | 6 | 0.01 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 37 | 5 | 0.01 | 1 | 0.01 | +http://p4load.com/ |
| 38 | 5 | 0.01 | 3 | 0.02 | Windows 3.1 |
| 39 | 2 | 0.00 | 1 | 0.01 | Android |
| 40 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.00 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 42 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 43 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 44 | 2 | 0.00 | 1 | 0.01 | +http://zemlyaozer.com/bot |
| 45 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 46 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 47 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 49 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 50 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 51 | 1 | 0.00 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 52 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
