| Used Operating Systems |
| 1 | 26318 | 71.95 | 240 | 5.02 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3814 | 10.43 | 1360 | 28.47 | Windows NT |
| 3 | 2577 | 7.05 | 2240 | 46.89 | +http://www.baidu.com/search/spider.html |
| 4 | 1438 | 3.93 | 186 | 3.89 | +http://www.bing.com/bingbot.htm |
| 5 | 869 | 2.38 | 56 | 1.17 | +http://yandex.com/bots |
| 6 | 517 | 1.41 | 223 | 4.67 | +http://www.google.com/bot.html |
| 7 | 248 | 0.68 | 105 | 2.20 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 197 | 0.54 | 71 | 1.49 | +http://www.exabot.com/go/robot |
| 9 | 143 | 0.39 | 44 | 0.92 | +http://www.linkdex.com/bots/ |
| 10 | 103 | 0.28 | 82 | 1.72 | +http://ahrefs.com/robot/ |
| 11 | 100 | 0.27 | 54 | 1.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 37 | 0.10 | 18 | 0.38 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 18 | 0.05 | 9 | 0.19 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 15 | 10 | 0.03 | 7 | 0.15 | Linux [unknown version] |
| 16 | 10 | 0.03 | 4 | 0.08 | +http://www.semrush.com/bot.html |
| 17 | 9 | 0.02 | 6 | 0.13 | Windows 95 |
| 18 | 8 | 0.02 | 2 | 0.04 | +http://u2search.co |
| 19 | 8 | 0.02 | 2 | 0.04 | +http://medialine-it.com |
| 20 | 8 | 0.02 | 5 | 0.10 | Linux i686 [unknown version] |
| 21 | 7 | 0.02 | 4 | 0.08 | PPC; Trident/4.0 |
| 22 | 6 | 0.02 | 2 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 23 | 6 | 0.02 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 24 | 6 | 0.02 | 1 | 0.02 | X11 |
| 25 | 6 | 0.02 | 4 | 0.08 | Windows 98 |
| 26 | 5 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 27 | 5 | 0.01 | 5 | 0.10 | +http://domainsigma.com/robot |
| 28 | 4 | 0.01 | 3 | 0.06 | WindowsCE; Trident/4.0 |
| 29 | 4 | 0.01 | 1 | 0.02 | +http://downloadmine.biz |
| 30 | 4 | 0.01 | 2 | 0.04 | PPC; Trident/5.0 |
| 31 | 4 | 0.01 | 4 | 0.08 | PPC; Trident/1.0 |
| 32 | 4 | 0.01 | 1 | 0.02 | +http://prox100download.com |
| 33 | 4 | 0.01 | 3 | 0.06 | 68K; SV1; Trident/5.0 |
| 34 | 4 | 0.01 | 1 | 0.02 | +http://t2downloads.xyz |
| 35 | 4 | 0.01 | 1 | 0.02 | 68K; Win64; IA64; Trident/3.0 |
| 36 | 4 | 0.01 | 2 | 0.04 | 68K; Trident/1.0 |
| 37 | 4 | 0.01 | 1 | 0.02 | +http://r4downloads.co |
| 38 | 3 | 0.01 | 1 | 0.02 | http://www.lipperhey.com/ |
| 39 | 3 | 0.01 | 3 | 0.06 | +http://fb02itsscan.fh-muenster.de |
| 40 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 41 | 3 | 0.01 | 1 | 0.02 | +http://alphaphitote.com |
| 42 | 3 | 0.01 | 2 | 0.04 | Windows 9x |
| 43 | 3 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 44 | 2 | 0.01 | 1 | 0.02 | crawler@mixrank.com |
| 45 | 2 | 0.01 | 0 | 0.00 | PPC; Trident/2.0 |
| 46 | 2 | 0.01 | 1 | 0.02 | 68K; Trident/4.0 |
| 47 | 2 | 0.01 | 2 | 0.04 | 68K; .NET CLR; Trident/5.0 |
| 48 | 2 | 0.01 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 49 | 2 | 0.01 | 0 | 0.00 | PPC; Win64; x64; Trident/5.0 |
| 50 | 2 | 0.01 | 2 | 0.04 | PPC; SV1; Trident/4.0 |
| 51 | 2 | 0.01 | 2 | 0.04 | Windows 3.1 |
| 52 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 53 | 2 | 0.01 | 2 | 0.04 | PPC; SV1; Trident/2.0 |
| 54 | 2 | 0.01 | 1 | 0.02 | PPC; Trident/3.0 |
| 55 | 2 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 56 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 57 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 58 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 59 | 1 | 0.00 | 1 | 0.02 | PPC; .NET CLR; Trident/3.0 |
| 60 | 1 | 0.00 | 0 | 0.00 | BREW |
| 61 | 1 | 0.00 | 0 | 0.00 | +http://image2play.com/ |
| 62 | 1 | 0.00 | 1 | 0.02 | Win3.11; Trident/1.0 |
| 63 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 64 | 1 | 0.00 | 1 | 0.02 | +http://wmaid.com/en/explore/ |
| 65 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 66 | 1 | 0.00 | 1 | 0.02 | PPC; WOW64; Trident/2.0 |
