| Used Operating Systems |
| 1 | 31142 | 51.53 | 4365 | 50.02 | Windows NT |
| 2 | 7023 | 11.62 | 1795 | 20.57 | +http://www.bing.com/bingbot.htm |
| 3 | 4194 | 6.94 | 11 | 0.13 | http://crawler.sistrix.net/ |
| 4 | 3932 | 6.51 | 4 | 0.05 | crawler@goodzer.com |
| 5 | 3682 | 6.09 | 44 | 0.50 | +http://www.seoprofiler.com/bot |
| 6 | 3610 | 5.97 | 943 | 10.81 | +http://www.google.com/bot.html |
| 7 | 1932 | 3.20 | 194 | 2.22 | +http://yandex.com/bots |
| 8 | 910 | 1.51 | 241 | 2.76 | help@moz.com |
| 9 | 585 | 0.97 | 338 | 3.87 | Windows 95 |
| 10 | 532 | 0.88 | 3 | 0.03 | +http://www.baidu.com/search/spider.html |
| 11 | 423 | 0.70 | 49 | 0.56 | Windows 98 |
| 12 | 387 | 0.64 | 105 | 1.20 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 134 | 0.22 | 15 | 0.17 | +http://www.semrush.com/bot.html |
| 14 | 130 | 0.22 | 14 | 0.16 | Windows XP |
| 15 | 112 | 0.19 | 2 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 16 | 108 | 0.18 | 68 | 0.78 | Windows CE |
| 17 | 107 | 0.18 | 37 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 97 | 0.16 | 52 | 0.60 | Windows 3.1 |
| 19 | 96 | 0.16 | 60 | 0.69 | Windows 2000 |
| 20 | 95 | 0.16 | 63 | 0.72 | MSIE 5.5; Windows NT 4.0 |
| 21 | 91 | 0.15 | 61 | 0.70 | Auto; Windows |
| 22 | 88 | 0.15 | 46 | 0.53 | +http://www.exabot.com/go/robot |
| 23 | 83 | 0.14 | 53 | 0.61 | Windows ME |
| 24 | 83 | 0.14 | 55 | 0.63 | ) - BrowseX (2.0.0 Windows |
| 25 | 78 | 0.13 | 57 | 0.65 | MSIE 5.5; Windows NT 5.0 |
| 26 | 75 | 0.12 | 7 | 0.08 | +http://www.profound.net/urlappendbot.ht... |
| 27 | 72 | 0.12 | 2 | 0.02 | Android |
| 28 | 68 | 0.11 | 0 | 0.00 | Solaris 2.4.x |
| 29 | 68 | 0.11 | 2 | 0.02 | +http://fulltext.sblog.cz/screenshot/ |
| 30 | 65 | 0.11 | 5 | 0.06 | X11 |
| 31 | 64 | 0.11 | 2 | 0.02 | PPC Mac OS X 10.5 |
| 32 | 60 | 0.10 | 2 | 0.02 | http://help.zum.com/inquiry |
| 33 | 42 | 0.07 | 9 | 0.10 | +http://filterdb.iss.net/crawler/ |
| 34 | 40 | 0.07 | 0 | 0.00 | Windows 95 |
| 35 | 34 | 0.06 | 2 | 0.02 | Windows 92 |
| 36 | 31 | 0.05 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 37 | 22 | 0.04 | 4 | 0.05 | Android 2.3.5 |
| 38 | 20 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 16 | 0.03 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 40 | 16 | 0.03 | 0 | 0.00 | BeOS BePC |
| 41 | 11 | 0.02 | 0 | 0.00 | Win32 |
| 42 | 11 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 43 | 8 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 44 | 8 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 45 | 8 | 0.01 | 7 | 0.08 | +info@netcraft.com |
| 46 | 8 | 0.01 | 2 | 0.02 | +http://siteexplorer.info/ |
| 47 | 7 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 48 | 6 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 49 | 4 | 0.01 | 0 | 0.00 | +http://www.yunyun.com/spider.html |
| 50 | 4 | 0.01 | 2 | 0.02 | +http://fulltext.sblog.cz/ |
| 51 | 3 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 52 | 3 | 0.00 | 0 | 0.00 | Macintosh |
| 53 | 2 | 0.00 | 2 | 0.02 | Linux [unknown version] |
| 54 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 55 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
