| Used Operating Systems |
| 1 | 38959 | 50.19 | 447 | 3.93 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13430 | 17.30 | 3695 | 32.47 | Windows NT |
| 3 | 5094 | 6.56 | 1613 | 14.17 | +http://www.bing.com/bingbot.htm |
| 4 | 3911 | 5.04 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 5 | 3765 | 4.85 | 1247 | 10.96 | +http://www.google.com/bot.html |
| 6 | 2944 | 3.79 | 916 | 8.05 | +http://www.easou.com/search/spider.html |
| 7 | 2570 | 3.31 | 2108 | 18.52 | +http://www.baidu.com/search/spider.html |
| 8 | 2251 | 2.90 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 1034 | 1.33 | 550 | 4.83 | +http://www.linkdex.com/about/bots/ |
| 10 | 953 | 1.23 | 227 | 1.99 | +http://yandex.com/bots |
| 11 | 643 | 0.83 | 5 | 0.04 | +http://www.warebay.com/bot.html |
| 12 | 605 | 0.78 | 38 | 0.33 | Windows 98 |
| 13 | 494 | 0.64 | 198 | 1.74 | help@moz.com |
| 14 | 229 | 0.30 | 21 | 0.18 | +http://www.profound.net/urlappendbot.ht... |
| 15 | 105 | 0.14 | 55 | 0.48 | +http://www.exabot.com/go/robot |
| 16 | 102 | 0.13 | 50 | 0.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 87 | 0.11 | 44 | 0.39 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 64 | 0.08 | 13 | 0.11 | X11 |
| 19 | 60 | 0.08 | 3 | 0.03 | +http://siteexplorer.info/ |
| 20 | 58 | 0.07 | 2 | 0.02 | Android 2.3.5 |
| 21 | 48 | 0.06 | 23 | 0.20 | +http://www.proximic.com/info/spider.php |
| 22 | 44 | 0.06 | 22 | 0.19 | Windows 95 |
| 23 | 27 | 0.03 | 25 | 0.22 | MSIE 5.5; Windows 95 |
| 24 | 17 | 0.02 | 9 | 0.08 | +http://www.grapeshot.co.uk/crawler.php |
| 25 | 16 | 0.02 | 8 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 26 | 14 | 0.02 | 10 | 0.09 | Intel Mac OS X 10.6 |
| 27 | 10 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 28 | 10 | 0.01 | 3 | 0.03 | Windows XP |
| 29 | 10 | 0.01 | 6 | 0.05 | Windows 3.1 |
| 30 | 8 | 0.01 | 6 | 0.05 | Windows CE |
| 31 | 8 | 0.01 | 4 | 0.04 | +http://help.coccoc.com/ |
| 32 | 7 | 0.01 | 4 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 6 | 0.01 | 6 | 0.05 | Windows 2000 |
| 34 | 6 | 0.01 | 4 | 0.04 | Windows ME |
| 35 | 5 | 0.01 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 36 | 3 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 37 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 38 | 3 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 39 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 40 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 2 | 0.00 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 43 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 44 | 2 | 0.00 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 45 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 46 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 47 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
