| Used Operating Systems |
| 1 | 6352 | 45.36 | 70 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2478 | 17.70 | 2058 | 44.43 | +http://www.baidu.com/search/spider.html |
| 3 | 2153 | 15.38 | 1205 | 26.01 | Windows NT |
| 4 | 900 | 6.43 | 175 | 3.78 | +http://www.bing.com/bingbot.htm |
| 5 | 795 | 5.68 | 572 | 12.35 | +http://www.easou.com/search/spider.html |
| 6 | 329 | 2.35 | 112 | 2.42 | +http://www.google.com/bot.html |
| 7 | 212 | 1.51 | 156 | 3.37 | +http://ahrefs.com/robot/ |
| 8 | 189 | 1.35 | 80 | 1.73 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 184 | 1.31 | 51 | 1.10 | +http://www.linkdex.com/bots/ |
| 10 | 109 | 0.78 | 20 | 0.43 | +http://yandex.com/bots |
| 11 | 50 | 0.36 | 27 | 0.58 | +http://www.exabot.com/go/robot |
| 12 | 31 | 0.22 | 23 | 0.50 | Linux [unknown version] |
| 13 | 30 | 0.21 | 1 | 0.02 | +http://www.openfos.com |
| 14 | 24 | 0.17 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 22 | 0.16 | 17 | 0.37 | Linux i686 [unknown version] |
| 16 | 14 | 0.10 | 7 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 13 | 0.09 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 18 | 9 | 0.06 | 2 | 0.04 | X11 |
| 19 | 8 | 0.06 | 2 | 0.04 | +http://u2search.co |
| 20 | 7 | 0.05 | 1 | 0.02 | crawler@mixrank.com |
| 21 | 5 | 0.04 | 5 | 0.11 | Windows 95 |
| 22 | 5 | 0.04 | 2 | 0.04 | Windows 9x |
| 23 | 5 | 0.04 | 5 | 0.11 | Windows 98 |
| 24 | 5 | 0.04 | 2 | 0.04 | +http://r4downloads.co |
| 25 | 4 | 0.03 | 4 | 0.09 | PPC; Trident/4.0 |
| 26 | 4 | 0.03 | 1 | 0.02 | +http://t2downloads.xyz |
| 27 | 4 | 0.03 | 1 | 0.02 | +http://alphaphitote.com |
| 28 | 3 | 0.02 | 1 | 0.02 | +http://downloadmine.biz |
| 29 | 3 | 0.02 | 2 | 0.04 | PPC; Trident/1.0 |
| 30 | 3 | 0.02 | 1 | 0.02 | +http://prox100download.com |
| 31 | 3 | 0.02 | 0 | 0.00 | Windows XP |
| 32 | 3 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 33 | 3 | 0.02 | 1 | 0.02 | 68K; Trident/2.0 |
| 34 | 3 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 35 | 2 | 0.01 | 2 | 0.04 | Windows 2000 |
| 36 | 2 | 0.01 | 2 | 0.04 | Windows CE |
| 37 | 2 | 0.01 | 2 | 0.04 | +http://fb02itsscan.fh-muenster.de |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 1 | 0.02 | PPC; Trident/5.0 |
| 40 | 2 | 0.01 | 2 | 0.04 | 68K; Trident/3.0 |
| 41 | 2 | 0.01 | 1 | 0.02 | PPC; .NET CLR; Trident/5.0 |
| 42 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 43 | 2 | 0.01 | 0 | 0.00 | PPC; .NET CLR; Trident/4.0 |
| 44 | 2 | 0.01 | 2 | 0.04 | 68K; Trident/1.0 |
| 45 | 2 | 0.01 | 2 | 0.04 | +; |
| 46 | 1 | 0.01 | 1 | 0.02 | PPC; .NET CLR; Trident/3.0 |
| 47 | 1 | 0.01 | 0 | 0.00 | PPC; Trident/2.0 |
| 48 | 1 | 0.01 | 1 | 0.02 | PPC; Win64; x64; Trident/2.0 |
| 49 | 1 | 0.01 | 1 | 0.02 | 68K; Trident/4.0 |
| 50 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 51 | 1 | 0.01 | 0 | 0.00 | PPC; SV1; Trident/4.0 |
| 52 | 1 | 0.01 | 1 | 0.02 | 68K; WOW64; Trident/1.0 |
| 53 | 1 | 0.01 | 1 | 0.02 | 68K; Win64; IA64; Trident/1.0 |
| 54 | 1 | 0.01 | 1 | 0.02 | PPC; Win64; x64; Trident/5.0 |
| 55 | 1 | 0.01 | 1 | 0.02 | PPC; Win64; IA64; Trident/5.0 |
| 56 | 1 | 0.01 | 1 | 0.02 | PPC; SV1; Trident/2.0 |
| 57 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 58 | 1 | 0.01 | 1 | 0.02 | 68K; Trident/5.0 |
| 59 | 1 | 0.01 | 0 | 0.00 | 68K; Win64; x64; Trident/1.0 |
| 60 | 1 | 0.01 | 0 | 0.00 | 68K; Win64; x64; Trident/5.0 |
| 61 | 1 | 0.01 | 0 | 0.00 | 68K; Tablet PC; Trident/3.0 |
| 62 | 1 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 63 | 1 | 0.01 | 0 | 0.00 | 68K; Tablet PC; Trident/4.0 |
| 64 | 1 | 0.01 | 1 | 0.02 | +http://wmaid.com/en/explore/ |
