| Used Operating Systems |
| 1 | 16970 | 45.58 | 250 | 2.64 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9147 | 24.57 | 4674 | 49.34 | +http://ahrefs.com/robot/ |
| 3 | 3004 | 8.07 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 4 | 2395 | 6.43 | 1485 | 15.68 | Windows NT |
| 5 | 2295 | 6.16 | 2097 | 22.14 | +http://www.baidu.com/search/spider.html |
| 6 | 1380 | 3.71 | 357 | 3.77 | +http://www.google.com/bot.html |
| 7 | 1028 | 2.76 | 199 | 2.10 | +http://yandex.com/bots |
| 8 | 322 | 0.86 | 153 | 1.62 | +http://www.bing.com/bingbot.htm |
| 9 | 217 | 0.58 | 70 | 0.74 | +http://www.linkdex.com/bots/ |
| 10 | 132 | 0.35 | 51 | 0.54 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 66 | 0.18 | 24 | 0.25 | Windows 95 |
| 12 | 50 | 0.13 | 14 | 0.15 | Windows 98 |
| 13 | 35 | 0.09 | 18 | 0.19 | +http://www.exabot.com/go/robot |
| 14 | 32 | 0.09 | 14 | 0.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 14 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 16 | 13 | 0.03 | 7 | 0.07 | Windows 3.1 |
| 17 | 12 | 0.03 | 3 | 0.03 | Windows XP |
| 18 | 12 | 0.03 | 3 | 0.03 | Windows ME |
| 19 | 9 | 0.02 | 1 | 0.01 | Auto; Windows |
| 20 | 9 | 0.02 | 4 | 0.04 | Linux [unknown version] |
| 21 | 9 | 0.02 | 6 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 22 | 8 | 0.02 | 4 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 8 | 0.02 | 4 | 0.04 | +http://duckduckgo.com |
| 24 | 7 | 0.02 | 7 | 0.07 | +http://www.domaintuno.com/robot |
| 25 | 6 | 0.02 | 2 | 0.02 | +http://getdownload.ws |
| 26 | 6 | 0.02 | 2 | 0.02 | +http://trumpetsheetmusic.org |
| 27 | 6 | 0.02 | 3 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 28 | 4 | 0.01 | 3 | 0.03 | Windows CE |
| 29 | 4 | 0.01 | 1 | 0.01 | +http://medialine-it.com |
| 30 | 4 | 0.01 | 1 | 0.01 | +http://isdownload.biz |
| 31 | 4 | 0.01 | 1 | 0.01 | +http://t2downloads.xyz |
| 32 | 4 | 0.01 | 2 | 0.02 | X11 |
| 33 | 4 | 0.01 | 1 | 0.01 | +http://r4downloads.co |
| 34 | 3 | 0.01 | 3 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 35 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 36 | 2 | 0.01 | 0 | 0.00 | Linux i686 [unknown version] |
| 37 | 1 | 0.00 | 0 | 0.00 | OS/2 |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 39 | 1 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 40 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 41 | 1 | 0.00 | 0 | 0.00 | BeOS BePC |
| 42 | 1 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 43 | 1 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
| 45 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 46 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
