| Used Operating Systems |
| 1 | 14145 | 64.31 | 4479 | 67.50 | Windows NT |
| 2 | 2502 | 11.38 | 250 | 3.77 | +http://www.bing.com/bingbot.htm |
| 3 | 1651 | 7.51 | 1271 | 19.15 | +http://www.baidu.com/search/spider.html |
| 4 | 1106 | 5.03 | 224 | 3.38 | +http://www.google.com/bot.html |
| 5 | 824 | 3.75 | 53 | 0.80 | Windows 98 |
| 6 | 542 | 2.46 | 31 | 0.47 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 302 | 1.37 | 91 | 1.37 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 225 | 1.02 | 23 | 0.35 | +http://yandex.com/bots |
| 9 | 148 | 0.67 | 54 | 0.81 | +http://www.linkdex.com/bots/ |
| 10 | 142 | 0.65 | 10 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 38 | 0.17 | 17 | 0.26 | +http://www.exabot.com/go/robot |
| 12 | 37 | 0.17 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 13 | 34 | 0.15 | 10 | 0.15 | +http://ahrefs.com/robot/ |
| 14 | 32 | 0.15 | 7 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 29 | 0.13 | 27 | 0.41 | Windows 95 |
| 16 | 27 | 0.12 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 17 | 24 | 0.11 | 11 | 0.17 | +http://fulltext.sblog.cz/ |
| 18 | 21 | 0.10 | 3 | 0.05 | X11 |
| 19 | 18 | 0.08 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 20 | 15 | 0.07 | 5 | 0.08 | +http://www.profound.net/urlappendbot.ht... |
| 21 | 11 | 0.05 | 9 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 22 | 10 | 0.05 | 5 | 0.08 | http://crawler.sistrix.net/ |
| 23 | 9 | 0.04 | 4 | 0.06 | +http://help.coccoc.com/ |
| 24 | 8 | 0.04 | 1 | 0.02 | +http://www.linkpad.ru |
| 25 | 7 | 0.03 | 7 | 0.11 | Windows 2000 |
| 26 | 7 | 0.03 | 7 | 0.11 | Windows ME |
| 27 | 7 | 0.03 | 7 | 0.11 | Windows 3.1 |
| 28 | 7 | 0.03 | 5 | 0.08 | +http://wmaid.com/explore/ |
| 29 | 6 | 0.03 | 1 | 0.02 | Linux [unknown version] |
| 30 | 5 | 0.02 | 1 | 0.02 | Windows XP |
| 31 | 5 | 0.02 | 2 | 0.03 | +http://gimme60.com |
| 32 | 5 | 0.02 | 1 | 0.02 | +http://freedlf.com/ |
| 33 | 5 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 34 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 4 | 0.02 | 3 | 0.05 | +http://www.loadtime.net/bot.html |
| 36 | 3 | 0.01 | 3 | 0.05 | Windows CE |
| 37 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 38 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 39 | 3 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 40 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 41 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 42 | 3 | 0.01 | 1 | 0.02 | +http://inload.in |
| 43 | 2 | 0.01 | 1 | 0.02 | SpreadTrum |
| 44 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 45 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 46 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 47 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 48 | 1 | 0.00 | 0 | 0.00 | Android |
| 49 | 1 | 0.00 | 1 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
