| Used Operating Systems |
| 1 | 18933 | 44.80 | 99 | 0.99 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6679 | 15.80 | 4033 | 40.37 | +http://www.baidu.com/search/spider.html |
| 3 | 6127 | 14.50 | 2653 | 26.56 | +http://ahrefs.com/robot/ |
| 4 | 5090 | 12.04 | 1600 | 16.02 | Windows NT |
| 5 | 1212 | 2.87 | 8 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 6 | 883 | 2.09 | 208 | 2.08 | +http://www.bing.com/bingbot.htm |
| 7 | 869 | 2.06 | 393 | 3.93 | +http://www.google.com/bot.html |
| 8 | 745 | 1.76 | 205 | 2.05 | +http://www.linkdex.com/bots/ |
| 9 | 505 | 1.19 | 139 | 1.39 | +http://yandex.com/bots |
| 10 | 325 | 0.77 | 296 | 2.96 | +http://www.xovibot.net/ |
| 11 | 282 | 0.67 | 76 | 0.76 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 90 | 0.21 | 61 | 0.61 | Windows 95 |
| 13 | 88 | 0.21 | 36 | 0.36 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 73 | 0.17 | 20 | 0.20 | Windows 98 |
| 15 | 50 | 0.12 | 5 | 0.05 | +http://www.semrush.com/bot.html |
| 16 | 31 | 0.07 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 17 | 27 | 0.06 | 10 | 0.10 | +http://sur.ly/bot.html |
| 18 | 23 | 0.05 | 19 | 0.19 | Windows CE |
| 19 | 22 | 0.05 | 18 | 0.18 | Auto; Windows |
| 20 | 22 | 0.05 | 3 | 0.03 | Windows XP |
| 21 | 21 | 0.05 | 9 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 18 | 0.04 | 6 | 0.06 | +http://www.exabot.com/go/robot |
| 23 | 16 | 0.04 | 4 | 0.04 | http://www.botje.com/plukkie.htm |
| 24 | 14 | 0.03 | 13 | 0.13 | Windows 2000 |
| 25 | 14 | 0.03 | 12 | 0.12 | Windows ME |
| 26 | 14 | 0.03 | 13 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 27 | 13 | 0.03 | 11 | 0.11 | Windows 3.1 |
| 28 | 13 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 29 | 13 | 0.03 | 12 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 30 | 10 | 0.02 | 5 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 8 | 0.02 | 7 | 0.07 | +info@netcraft.com |
| 32 | 7 | 0.02 | 6 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 33 | 6 | 0.01 | 0 | 0.00 | +http://www.findxbot.com |
| 34 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 35 | 4 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 37 | 3 | 0.01 | 1 | 0.01 | X11 |
| 38 | 2 | 0.00 | 0 | 0.00 | iPhone |
| 39 | 2 | 0.00 | 2 | 0.02 | actually this is http://ismyblogworking.... |
| 40 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
