| Used Operating Systems |
| 1 | 16310 | 41.70 | 302 | 3.91 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7181 | 18.36 | 1338 | 17.31 | +http://ahrefs.com/robot/ |
| 3 | 3636 | 9.30 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 4 | 3112 | 7.96 | 2012 | 26.03 | Windows NT |
| 5 | 2651 | 6.78 | 2422 | 31.33 | +http://www.baidu.com/search/spider.html |
| 6 | 2269 | 5.80 | 375 | 4.85 | +http://www.bing.com/bingbot.htm |
| 7 | 1758 | 4.49 | 756 | 9.78 | +http://www.google.com/bot.html |
| 8 | 1429 | 3.65 | 246 | 3.18 | +http://yandex.com/bots |
| 9 | 311 | 0.80 | 105 | 1.36 | +http://www.linkdex.com/bots/ |
| 10 | 107 | 0.27 | 46 | 0.60 | +http://www.exabot.com/go/robot |
| 11 | 105 | 0.27 | 27 | 0.35 | Windows 98 |
| 12 | 53 | 0.14 | 21 | 0.27 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 32 | 0.08 | 15 | 0.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 22 | 0.06 | 8 | 0.10 | Windows 95 |
| 15 | 22 | 0.06 | 17 | 0.22 | X11 |
| 16 | 20 | 0.05 | 0 | 0.00 | Linux [unknown version] |
| 17 | 11 | 0.03 | 4 | 0.05 | Windows 3.1 |
| 18 | 9 | 0.02 | 2 | 0.03 | Windows CE |
| 19 | 9 | 0.02 | 7 | 0.09 | Android 2.3.5 |
| 20 | 8 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 21 | 7 | 0.02 | 3 | 0.04 | Auto; Windows |
| 22 | 6 | 0.02 | 4 | 0.05 | +http://wmaid.com/explore/ |
| 23 | 6 | 0.02 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 24 | 5 | 0.01 | 1 | 0.01 | Windows XP |
| 25 | 5 | 0.01 | 1 | 0.01 | +http://freedlf.com/ |
| 26 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 28 | 3 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 29 | 2 | 0.01 | 0 | 0.00 | Trident/6.0; Windows NT 5.1; Zune 3.5.63... |
| 30 | 2 | 0.01 | 2 | 0.03 | Trident/6.0; Windows NT 5.0; .NET CLR 3.... |
| 31 | 2 | 0.01 | 0 | 0.00 | Trident/6.0; Windows 98; Maxthon; Crazy ... |
| 32 | 2 | 0.01 | 0 | 0.00 | Trident/5.0; Windows NT 5.2;GB; InfoPath... |
| 33 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 35 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 36 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; IEMB3; SpamBloc... |
| 37 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 38 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 6.1; .NET CLR 9.... |
| 39 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 40 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 6.1; InfoPath.2 |
| 41 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 4.1;GB; Crazy Br... |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 43 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
