| Used Operating Systems |
| 1 | 27177 | 70.61 | 262 | 7.91 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5472 | 14.22 | 333 | 10.05 | +http://www.bing.com/bingbot.htm |
| 3 | 2369 | 6.16 | 1619 | 48.87 | +http://www.baidu.com/search/spider.html |
| 4 | 1009 | 2.62 | 548 | 16.54 | Windows NT |
| 5 | 523 | 1.36 | 23 | 0.69 | +http://fulltext.sblog.cz/ |
| 6 | 401 | 1.04 | 1 | 0.03 | +http://megaindex.com/crawler |
| 7 | 323 | 0.84 | 137 | 4.14 | +http://ahrefs.com/robot/ |
| 8 | 233 | 0.61 | 54 | 1.63 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 232 | 0.60 | 53 | 1.60 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 170 | 0.44 | 49 | 1.48 | +http://www.google.com/bot.html |
| 11 | 148 | 0.38 | 54 | 1.63 | +http://yandex.com/bots |
| 12 | 120 | 0.31 | 32 | 0.97 | +http://www.linkdex.com/bots/ |
| 13 | 77 | 0.20 | 34 | 1.03 | +http://www.exabot.com/go/robot |
| 14 | 73 | 0.19 | 34 | 1.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 25 | 0.06 | 22 | 0.66 | Windows 95 |
| 16 | 25 | 0.06 | 3 | 0.09 | +http://www.semrush.com/bot.html |
| 17 | 20 | 0.05 | 10 | 0.30 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 18 | 0.05 | 6 | 0.18 | +http://OpenLinkProfiler.org/bot |
| 19 | 10 | 0.03 | 1 | 0.03 | +http://www.seograph.net/bot.html |
| 20 | 10 | 0.03 | 2 | 0.06 | Windows 98 |
| 21 | 8 | 0.02 | 8 | 0.24 | +http://www.domaintuno.com/robot |
| 22 | 6 | 0.02 | 5 | 0.15 | Windows CE |
| 23 | 6 | 0.02 | 4 | 0.12 | Windows 2000 |
| 24 | 4 | 0.01 | 3 | 0.09 | Auto; Windows |
| 25 | 4 | 0.01 | 3 | 0.09 | Windows 3.1 |
| 26 | 4 | 0.01 | 2 | 0.06 | X11 |
| 27 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 4 | 0.01 | 3 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 29 | 2 | 0.01 | 1 | 0.03 | Windows XP |
| 30 | 2 | 0.01 | 1 | 0.03 | PPC Mac OS X Mach-O |
| 31 | 2 | 0.01 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 32 | 2 | 0.01 | 2 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 33 | 2 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 34 | 1 | 0.00 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 35 | 1 | 0.00 | 1 | 0.03 | +info@netcraft.com |
