| Used Operating Systems |
| 1 | 34571 | 66.34 | 263 | 3.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7778 | 14.93 | 2395 | 29.31 | Windows NT |
| 3 | 4739 | 9.09 | 3882 | 47.50 | +http://www.baidu.com/search/spider.html |
| 4 | 1011 | 1.94 | 467 | 5.71 | +http://www.google.com/bot.html |
| 5 | 923 | 1.77 | 308 | 3.77 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 636 | 1.22 | 235 | 2.88 | +http://www.bing.com/bingbot.htm |
| 7 | 579 | 1.11 | 218 | 2.67 | +http://yandex.com/bots |
| 8 | 488 | 0.94 | 4 | 0.05 | +http://www.warebay.com/bot.html |
| 9 | 384 | 0.74 | 44 | 0.54 | +http://OpenLinkProfiler.org/bot |
| 10 | 254 | 0.49 | 45 | 0.55 | +http://www.linkdex.com/bots/ |
| 11 | 211 | 0.40 | 128 | 1.57 | +http://ahrefs.com/robot/ |
| 12 | 158 | 0.30 | 61 | 0.75 | +http://www.exabot.com/go/robot |
| 13 | 79 | 0.15 | 1 | 0.01 | Linux i586 [unknown version] |
| 14 | 40 | 0.08 | 27 | 0.33 | Windows 95 |
| 15 | 38 | 0.07 | 14 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 32 | 0.06 | 2 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 29 | 0.06 | 8 | 0.10 | Windows 98 |
| 18 | 28 | 0.05 | 14 | 0.17 | +http://duckduckgo.com |
| 19 | 22 | 0.04 | 6 | 0.07 | X11 |
| 20 | 14 | 0.03 | 2 | 0.02 | Android 2.3.5 |
| 21 | 13 | 0.02 | 7 | 0.09 | Windows 2000 |
| 22 | 10 | 0.02 | 3 | 0.04 | Windows XP |
| 23 | 9 | 0.02 | 6 | 0.07 | Windows CE |
| 24 | 8 | 0.02 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 25 | 8 | 0.02 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 26 | 8 | 0.02 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 6 | 0.01 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 28 | 5 | 0.01 | 2 | 0.02 | Wayback Machine Live Record; +http://arc... |
| 29 | 5 | 0.01 | 4 | 0.05 | Windows 3.1 |
| 30 | 5 | 0.01 | 4 | 0.05 | Linux i686 [unknown version] |
| 31 | 5 | 0.01 | 4 | 0.05 | +info@netcraft.com |
| 32 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 33 | 3 | 0.01 | 3 | 0.04 | Windows ME |
| 34 | 3 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 35 | 2 | 0.00 | 1 | 0.01 | Auto; Windows |
| 36 | 2 | 0.00 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 37 | 1 | 0.00 | 0 | 0.00 | +http://sur.ly/bot.html |
