| Used Operating Systems |
| 1 | 4130 | 40.34 | 3590 | 56.37 | +http://www.baidu.com/search/spider.html |
| 2 | 3190 | 31.16 | 1484 | 23.30 | Windows NT |
| 3 | 1330 | 12.99 | 746 | 11.71 | +http://www.google.com/bot.html |
| 4 | 381 | 3.72 | 80 | 1.26 | +http://yandex.com/bots |
| 5 | 111 | 1.08 | 38 | 0.60 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 101 | 0.99 | 41 | 0.64 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 94 | 0.92 | 28 | 0.44 | +http://www.semrush.com/bot.html |
| 8 | 71 | 0.69 | 38 | 0.60 | Windows 95 |
| 9 | 63 | 0.62 | 42 | 0.66 | +http://www.easou.com/search/spider.html |
| 10 | 53 | 0.52 | 19 | 0.30 | +http://www.bing.com/bingbot.htm |
| 11 | 52 | 0.51 | 26 | 0.41 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 49 | 0.48 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 13 | 44 | 0.43 | 22 | 0.35 | +http://help.coccoc.com/ |
| 14 | 44 | 0.43 | 16 | 0.25 | Windows 98 |
| 15 | 42 | 0.41 | 25 | 0.39 | +http://ahrefs.com/robot/ |
| 16 | 42 | 0.41 | 21 | 0.33 | +http://www.exabot.com/go/robot |
| 17 | 40 | 0.39 | 2 | 0.03 | Android 4.0.4 |
| 18 | 35 | 0.34 | 2 | 0.03 | X11 |
| 19 | 34 | 0.33 | 22 | 0.35 | +http://www.linkdex.com/bots/ |
| 20 | 21 | 0.21 | 8 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 16 | 0.16 | 5 | 0.08 | Auto; Windows |
| 22 | 16 | 0.16 | 5 | 0.08 | Windows ME |
| 23 | 15 | 0.15 | 4 | 0.06 | Windows XP |
| 24 | 15 | 0.15 | 5 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 25 | 14 | 0.14 | 2 | 0.03 | iPhone |
| 26 | 13 | 0.13 | 5 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 27 | 12 | 0.12 | 3 | 0.05 | Windows 3.1 |
| 28 | 12 | 0.12 | 8 | 0.13 | Linux i686 [unknown version] |
| 29 | 12 | 0.12 | 4 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 30 | 12 | 0.12 | 6 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 10 | 0.10 | 1 | 0.02 | http://www.lipperhey.com/ |
| 32 | 10 | 0.10 | 1 | 0.02 | +http://www.aihitdata.com/about |
| 33 | 9 | 0.09 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 34 | 8 | 0.08 | 2 | 0.03 | +http://u2search.co |
| 35 | 8 | 0.08 | 2 | 0.03 | +http://plus5files.net |
| 36 | 8 | 0.08 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 37 | 8 | 0.08 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 7 | 0.07 | 5 | 0.08 | Windows 2000 |
| 39 | 7 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 7 | 0.07 | 7 | 0.11 | +http://domainsigma.com/robot |
| 41 | 6 | 0.06 | 3 | 0.05 | +http://www.proximic.com/info/spider.php |
| 42 | 5 | 0.05 | 4 | 0.06 | Linux [unknown version] |
| 43 | 5 | 0.05 | 4 | 0.06 | 68K; Trident/3.0 |
| 44 | 5 | 0.05 | 5 | 0.08 | 68K; Trident/5.0 |
| 45 | 4 | 0.04 | 1 | 0.02 | +http://downloadmine.biz |
| 46 | 4 | 0.04 | 1 | 0.02 | +http://prox100download.com |
| 47 | 4 | 0.04 | 2 | 0.03 | 68K; Trident/2.0 |
| 48 | 4 | 0.04 | 1 | 0.02 | +http://r4downloads.co |
| 49 | 4 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/ |
| 50 | 3 | 0.03 | 3 | 0.05 | +http://fb02itsscan.fh-muenster.de |
| 51 | 3 | 0.03 | 1 | 0.02 | http://deepcrawl.co.uk/bot.html |
| 52 | 3 | 0.03 | 1 | 0.02 | +http://alphaphitote.com |
| 53 | 3 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 54 | 2 | 0.02 | 0 | 0.00 | Windows 9. |
| 55 | 2 | 0.02 | 0 | 0.00 | PPC; Tablet PC; Trident/3.0 |
| 56 | 2 | 0.02 | 2 | 0.03 | 68K; Tablet PC; Trident/1.0 |
| 57 | 2 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 58 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 59 | 2 | 0.02 | 1 | 0.02 | +http://www.xovibot.net/ |
| 60 | 2 | 0.02 | 2 | 0.03 | +http://wmaid.com/en/explore/ |
| 61 | 2 | 0.02 | 2 | 0.03 | Windows 9x |
| 62 | 2 | 0.02 | 0 | 0.00 | Macintosh |
| 63 | 1 | 0.01 | 1 | 0.02 | Win3.11; Tablet PC; Trident/4.0 |
| 64 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 65 | 1 | 0.01 | 1 | 0.02 | J2ME/MIDP |
| 66 | 1 | 0.01 | 0 | 0.00 | PPC; Trident/2.0 |
| 67 | 1 | 0.01 | 1 | 0.02 | WindowsCE; Trident/3.0 |
| 68 | 1 | 0.01 | 1 | 0.02 | 68K; WOW64; Trident/2.0 |
| 69 | 1 | 0.01 | 1 | 0.02 | 68K; Win64; IA64; Trident/2.0 |
| 70 | 1 | 0.01 | 0 | 0.00 | WindowsCE; .NET CLR; Trident/3.0 |
| 71 | 1 | 0.01 | 1 | 0.02 | PPC; SV1; Trident/4.0 |
| 72 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 73 | 1 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 74 | 1 | 0.01 | 1 | 0.02 | PPC; Trident/1.0 |
| 75 | 1 | 0.01 | 0 | 0.00 | PPC; Trident/5.0 |
| 76 | 1 | 0.01 | 1 | 0.02 | Win3.11; Trident/1.0 |
| 77 | 1 | 0.01 | 1 | 0.02 | WindowsCE; Trident/1.0 |
| 78 | 1 | 0.01 | 1 | 0.02 | 68K; WOW64; Trident/3.0 |
| 79 | 1 | 0.01 | 0 | 0.00 | 68K; Trident/1.0 |
| 80 | 1 | 0.01 | 1 | 0.02 | 68K; WOW64; Trident/4.0 |
| 81 | 1 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
| 82 | 1 | 0.01 | 1 | 0.02 | PPC; Win64; x64; Trident/4.0 |
| 83 | 1 | 0.01 | 0 | 0.00 | 68K; Win64; IA64; Trident/4.0 |
| 84 | 1 | 0.01 | 0 | 0.00 | SunOS sun4u |
