| Used Operating Systems |
| 1 | 36238 | 45.53 | 295 | 1.38 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 24378 | 30.63 | 17040 | 79.74 | +http://www.baidu.com/search/spider.html |
| 3 | 11924 | 14.98 | 2423 | 11.34 | Windows NT |
| 4 | 2920 | 3.67 | 566 | 2.65 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1141 | 1.43 | 292 | 1.37 | +http://www.google.com/bot.html |
| 6 | 1006 | 1.26 | 145 | 0.68 | +http://OpenLinkProfiler.org/bot |
| 7 | 431 | 0.54 | 149 | 0.70 | +http://www.bing.com/bingbot.htm |
| 8 | 401 | 0.50 | 1 | 0.00 | +http://www.seokicks.de/robot.html |
| 9 | 335 | 0.42 | 97 | 0.45 | +http://www.linkdex.com/bots/ |
| 10 | 144 | 0.18 | 90 | 0.42 | +http://ahrefs.com/robot/ |
| 11 | 137 | 0.17 | 48 | 0.22 | +http://yandex.com/bots |
| 12 | 90 | 0.11 | 34 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 56 | 0.07 | 27 | 0.13 | +http://help.coccoc.com/ |
| 14 | 46 | 0.06 | 21 | 0.10 | Linux i686 [unknown version] |
| 15 | 42 | 0.05 | 12 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 36 | 0.05 | 12 | 0.06 | +http://www.profound.net/domainappender |
| 17 | 35 | 0.04 | 3 | 0.01 | X11 |
| 18 | 29 | 0.04 | 13 | 0.06 | +http://www.exabot.com/go/robot |
| 19 | 19 | 0.02 | 18 | 0.08 | Windows 95 |
| 20 | 19 | 0.02 | 3 | 0.01 | Android 2.3.5 |
| 21 | 18 | 0.02 | 1 | 0.00 | +http://www.semrush.com/bot.html |
| 22 | 13 | 0.02 | 0 | 0.00 | Win32 |
| 23 | 13 | 0.02 | 8 | 0.04 | Linux [unknown version] |
| 24 | 13 | 0.02 | 5 | 0.02 | Windows 98 |
| 25 | 10 | 0.01 | 9 | 0.04 | +info@netcraft.com |
| 26 | 9 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 27 | 9 | 0.01 | 3 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 28 | 8 | 0.01 | 1 | 0.00 | +http://www.seograph.net/bot.html |
| 29 | 8 | 0.01 | 7 | 0.03 | Windows ME |
| 30 | 8 | 0.01 | 4 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 7 | 0.01 | 7 | 0.03 | Windows CE |
| 32 | 6 | 0.01 | 6 | 0.03 | Auto; Windows |
| 33 | 6 | 0.01 | 6 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 34 | 5 | 0.01 | 5 | 0.02 | Windows 3.1 |
| 35 | 5 | 0.01 | 5 | 0.02 | +http://domainsigma.com/robot |
| 36 | 4 | 0.01 | 1 | 0.00 | PPC Mac OS X Mach-O |
| 37 | 3 | 0.00 | 3 | 0.01 | Windows 2000 |
| 38 | 3 | 0.00 | 0 | 0.00 | Windows XP |
| 39 | 3 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 40 | 3 | 0.00 | 3 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 41 | 2 | 0.00 | 2 | 0.01 | http://www.bing.com/bingbot.htm |
| 42 | 2 | 0.00 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 43 | 1 | 0.00 | 1 | 0.00 | +https://www.lipperhey.com/en/about/ |
