| Used Operating Systems |
| 1 | 6355 | 30.91 | 114 | 1.99 | +http://yandex.com/bots |
| 2 | 5373 | 26.14 | 2826 | 49.41 | Windows NT |
| 3 | 3889 | 18.92 | 122 | 2.13 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1334 | 6.49 | 1256 | 21.96 | +http://www.baidu.com/search/spider.html |
| 5 | 793 | 3.86 | 430 | 7.52 | +http://ahrefs.com/robot/ |
| 6 | 590 | 2.87 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 503 | 2.45 | 145 | 2.54 | +http://www.bing.com/bingbot.htm |
| 8 | 345 | 1.68 | 115 | 2.01 | +http://www.linkdex.com/bots/ |
| 9 | 278 | 1.35 | 244 | 4.27 | +http://www.xovibot.net/ |
| 10 | 270 | 1.31 | 154 | 2.69 | +http://www.google.com/bot.html |
| 11 | 202 | 0.98 | 58 | 1.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 163 | 0.79 | 62 | 1.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 79 | 0.38 | 29 | 0.51 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 62 | 0.30 | 34 | 0.59 | Windows 95 |
| 15 | 51 | 0.25 | 1 | 0.02 | +http://www.aihitdata.com/about |
| 16 | 29 | 0.14 | 12 | 0.21 | Windows 2000 |
| 17 | 24 | 0.12 | 14 | 0.24 | +http://www.semrush.com/bot.html |
| 18 | 18 | 0.09 | 9 | 0.16 | +http://www.exabot.com/go/robot |
| 19 | 17 | 0.08 | 6 | 0.10 | Windows 98 |
| 20 | 16 | 0.08 | 5 | 0.09 | Linux [unknown version] |
| 21 | 14 | 0.07 | 8 | 0.14 | Windows CE |
| 22 | 14 | 0.07 | 7 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 12 | 0.06 | 6 | 0.10 | X11 |
| 24 | 12 | 0.06 | 5 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 25 | 11 | 0.05 | 1 | 0.02 | Android 2.3.5 |
| 26 | 9 | 0.04 | 1 | 0.02 | +http://www.linkpad.ru |
| 27 | 8 | 0.04 | 2 | 0.03 | Windows XP |
| 28 | 8 | 0.04 | 5 | 0.09 | Windows ME |
| 29 | 7 | 0.03 | 5 | 0.09 | Windows 3.1 |
| 30 | 7 | 0.03 | 5 | 0.09 | Linux i686 [unknown version] |
| 31 | 5 | 0.02 | 5 | 0.09 | +http://domainsigma.com/robot |
| 32 | 4 | 0.02 | 2 | 0.03 | Auto; Windows |
| 33 | 4 | 0.02 | 1 | 0.02 | +http://downloadmine.biz |
| 34 | 4 | 0.02 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 35 | 4 | 0.02 | 1 | 0.02 | +http://u2search.co |
| 36 | 4 | 0.02 | 1 | 0.02 | +http://prox100download.com |
| 37 | 4 | 0.02 | 4 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 38 | 4 | 0.02 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 39 | 3 | 0.01 | 1 | 0.02 | http://www.lipperhey.com/ |
| 40 | 3 | 0.01 | 1 | 0.02 | +http://alphaphitote.com |
| 41 | 3 | 0.01 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 42 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 43 | 2 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 44 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 45 | 2 | 0.01 | 2 | 0.03 | PPC; Trident/3.0 |
| 46 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 1 | 0.00 | 1 | 0.02 | 68K; Win64; x64; Trident/4.0 |
| 48 | 1 | 0.00 | 1 | 0.02 | +http://gimmeUSA.com |
| 49 | 1 | 0.00 | 1 | 0.02 | Windows Phone OS 7.5 |
| 50 | 1 | 0.00 | 1 | 0.02 | WindowsCE; SV1; Trident/1.0 |
| 51 | 1 | 0.00 | 0 | 0.00 | 68K; WOW64; Trident/1.0 |
| 52 | 1 | 0.00 | 1 | 0.02 | PPC; Trident/1.0 |
| 53 | 1 | 0.00 | 1 | 0.02 | PPC; .NET CLR; Trident/2.0 |
| 54 | 1 | 0.00 | 1 | 0.02 | PPC; Tablet PC; Trident/1.0 |
| 55 | 1 | 0.00 | 1 | 0.02 | 68K; Win64; x64; Trident/5.0 |
| 56 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 57 | 1 | 0.00 | 1 | 0.02 | +http://wmaid.com/en/explore/ |
| 58 | 1 | 0.00 | 0 | 0.00 | Windows 9x |
