| Used Operating Systems |
| 1 | 26700 | 58.82 | 385 | 4.57 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8215 | 18.10 | 4251 | 50.50 | +http://ahrefs.com/robot/ |
| 3 | 3793 | 8.36 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 4 | 1883 | 4.15 | 1784 | 21.20 | +http://www.baidu.com/search/spider.html |
| 5 | 1728 | 3.81 | 1131 | 13.44 | Windows NT |
| 6 | 891 | 1.96 | 106 | 1.26 | +http://yandex.com/bots |
| 7 | 538 | 1.19 | 266 | 3.16 | +http://www.google.com/bot.html |
| 8 | 515 | 1.13 | 4 | 0.05 | +http://www.warebay.com/bot.html |
| 9 | 338 | 0.74 | 155 | 1.84 | +http://www.bing.com/bingbot.htm |
| 10 | 290 | 0.64 | 106 | 1.26 | +http://www.linkdex.com/bots/ |
| 11 | 76 | 0.17 | 38 | 0.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 59 | 0.13 | 23 | 0.27 | Windows 95 |
| 13 | 39 | 0.09 | 18 | 0.21 | Linux [unknown version] |
| 14 | 34 | 0.07 | 20 | 0.24 | Linux i686 [unknown version] |
| 15 | 24 | 0.05 | 8 | 0.10 | Windows 98 |
| 16 | 23 | 0.05 | 12 | 0.14 | +http://www.exabot.com/go/robot |
| 17 | 18 | 0.04 | 9 | 0.11 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 15 | 0.03 | 3 | 0.04 | Windows CE |
| 19 | 15 | 0.03 | 5 | 0.06 | Windows ME |
| 20 | 15 | 0.03 | 5 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 21 | 13 | 0.03 | 1 | 0.01 | Windows Phone OS 7.5 |
| 22 | 12 | 0.03 | 3 | 0.04 | Windows 2000 |
| 23 | 12 | 0.03 | 6 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 10 | 0.02 | 5 | 0.06 | 68K; Trident/1.0 |
| 25 | 7 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 26 | 7 | 0.02 | 7 | 0.08 | +http://www.domaintuno.com/robot |
| 27 | 7 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 6 | 0.01 | 3 | 0.04 | Windows 9x |
| 29 | 6 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 30 | 5 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 31 | 4 | 0.01 | 1 | 0.01 | 68K; Trident/3.0 |
| 32 | 4 | 0.01 | 1 | 0.01 | +http://u2search.co |
| 33 | 4 | 0.01 | 1 | 0.01 | PPC; Trident/4.0 |
| 34 | 4 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 35 | 4 | 0.01 | 1 | 0.01 | +http://alphaphitote.com |
| 36 | 4 | 0.01 | 1 | 0.01 | +http://r4downloads.co |
| 37 | 3 | 0.01 | 1 | 0.01 | 68K; Trident/4.0 |
| 38 | 3 | 0.01 | 1 | 0.01 | +http://downloadmine.biz |
| 39 | 3 | 0.01 | 2 | 0.02 | PPC; Trident/5.0 |
| 40 | 3 | 0.01 | 3 | 0.04 | PPC; Trident/1.0 |
| 41 | 3 | 0.01 | 1 | 0.01 | +http://prox100download.com |
| 42 | 3 | 0.01 | 1 | 0.01 | WindowsCE; Win64; x64; Trident/2.0 |
| 43 | 3 | 0.01 | 1 | 0.01 | Windows XP |
| 44 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 45 | 2 | 0.00 | 1 | 0.01 | PPC; WOW64; Trident/4.0 |
| 46 | 2 | 0.00 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 47 | 2 | 0.00 | 1 | 0.01 | 68K; WOW64; Trident/1.0 |
| 48 | 2 | 0.00 | 1 | 0.01 | 68K; Tablet PC; Trident/5.0 |
| 49 | 2 | 0.00 | 1 | 0.01 | PPC; Win64; IA64; Trident/2.0 |
| 50 | 2 | 0.00 | 2 | 0.02 | 68K; Win64; x64; Trident/2.0 |
| 51 | 2 | 0.00 | 1 | 0.01 | 68K; Trident/2.0 |
| 52 | 2 | 0.00 | 2 | 0.02 | 68K; .NET CLR; Trident/3.0 |
| 53 | 2 | 0.00 | 2 | 0.02 | WindowsCE; WOW64; Trident/3.0 |
| 54 | 2 | 0.00 | 1 | 0.01 | PPC; Trident/3.0 |
| 55 | 2 | 0.00 | 2 | 0.02 | PPC; Tablet PC; Trident/1.0 |
| 56 | 1 | 0.00 | 1 | 0.01 | WindowsCE; Trident/4.0 |
| 57 | 1 | 0.00 | 1 | 0.01 | PPC; Trident/2.0 |
| 58 | 1 | 0.00 | 0 | 0.00 | PPC; .NET CLR; Trident/3.0 |
| 59 | 1 | 0.00 | 1 | 0.01 | PPC; Win64; x64; Trident/2.0 |
| 60 | 1 | 0.00 | 1 | 0.01 | 68K; .NET CLR; Trident/1.0 |
| 61 | 1 | 0.00 | 1 | 0.01 | 68K; SV1; Trident/3.0 |
| 62 | 1 | 0.00 | 0 | 0.00 | 68K; WOW64; Trident/2.0 |
| 63 | 1 | 0.00 | 0 | 0.00 | 68K; Win64; IA64; Trident/2.0 |
| 64 | 1 | 0.00 | 0 | 0.00 | 68K; Tablet PC; Trident/1.0 |
| 65 | 1 | 0.00 | 1 | 0.01 | WindowsCE; Trident/2.0 |
| 66 | 1 | 0.00 | 1 | 0.01 | WindowsCE; WOW64; Trident/4.0 |
| 67 | 1 | 0.00 | 0 | 0.00 | PPC; .NET CLR; Trident/2.0 |
| 68 | 1 | 0.00 | 0 | 0.00 | PPC; WOW64; Trident/3.0 |
| 69 | 1 | 0.00 | 1 | 0.01 | PPC; Win64; IA64; Trident/3.0 |
| 70 | 1 | 0.00 | 0 | 0.00 | PPC; Win64; x64; Trident/5.0 |
| 71 | 1 | 0.00 | 1 | 0.01 | PPC; Win64; IA64; Trident/5.0 |
| 72 | 1 | 0.00 | 1 | 0.01 | PPC; Win64; IA64; Trident/1.0 |
| 73 | 1 | 0.00 | 0 | 0.00 | PPC; Win64; x64; Trident/3.0 |
| 74 | 1 | 0.00 | 1 | 0.01 | 68K; Win64; IA64; Trident/3.0 |
| 75 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 76 | 1 | 0.00 | 1 | 0.01 | PPC; Tablet PC; Trident/5.0 |
| 77 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 78 | 1 | 0.00 | 0 | 0.00 | 68K; Tablet PC; Trident/3.0 |
| 79 | 1 | 0.00 | 1 | 0.01 | 68K; SV1; Trident/4.0 |
| 80 | 1 | 0.00 | 1 | 0.01 | 68K; Trident/5.0 |
| 81 | 1 | 0.00 | 1 | 0.01 | 68K; SV1; Trident/5.0 |
| 82 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/en/explore/ |
| 83 | 1 | 0.00 | 1 | 0.01 | WindowsCE; Trident/5.0 |
| 84 | 1 | 0.00 | 0 | 0.00 | PPC; .NET CLR; Trident/1.0 |
| 85 | 1 | 0.00 | 1 | 0.01 | Win3.11; Trident/4.0 |
