| Used Operating Systems |
| 1 | 7628 | 46.79 | 155 | 4.93 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5850 | 35.88 | 1962 | 62.42 | Windows NT |
| 3 | 616 | 3.78 | 163 | 5.19 | +http://yandex.com/bots |
| 4 | 514 | 3.15 | 170 | 5.41 | +http://www.bing.com/bingbot.htm |
| 5 | 227 | 1.39 | 94 | 2.99 | +http://www.baidu.com/search/spider.html |
| 6 | 196 | 1.20 | 14 | 0.45 | +http://ahrefs.com/robot/ |
| 7 | 175 | 1.07 | 64 | 2.04 | +http://www.google.com/bot.html |
| 8 | 158 | 0.97 | 66 | 2.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 141 | 0.86 | 114 | 3.63 | Windows 95 |
| 10 | 125 | 0.77 | 40 | 1.27 | +http://www.linkdex.com/bots/ |
| 11 | 121 | 0.74 | 32 | 1.02 | Windows 98 |
| 12 | 52 | 0.32 | 11 | 0.35 | Linux [unknown version] |
| 13 | 48 | 0.29 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 14 | 48 | 0.29 | 27 | 0.86 | Linux i686 [unknown version] |
| 15 | 39 | 0.24 | 31 | 0.99 | MSIE 5.5; Windows NT 5.0 |
| 16 | 36 | 0.22 | 20 | 0.64 | Windows 3.1 |
| 17 | 35 | 0.21 | 30 | 0.95 | ) - BrowseX (2.0.0 Windows |
| 18 | 32 | 0.20 | 22 | 0.70 | MSIE 5.5; Windows NT 4.0 |
| 19 | 32 | 0.20 | 16 | 0.51 | +http://duckduckgo.com |
| 20 | 29 | 0.18 | 15 | 0.48 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 25 | 0.15 | 22 | 0.70 | Windows CE |
| 22 | 24 | 0.15 | 3 | 0.10 | Windows XP |
| 23 | 23 | 0.14 | 20 | 0.64 | Windows ME |
| 24 | 22 | 0.13 | 1 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 25 | 21 | 0.13 | 20 | 0.64 | Windows 2000 |
| 26 | 12 | 0.07 | 5 | 0.16 | Win32 |
| 27 | 12 | 0.07 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 28 | 11 | 0.07 | 3 | 0.10 | X11 |
| 29 | 10 | 0.06 | 9 | 0.29 | Auto; Windows |
| 30 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 31 | 5 | 0.03 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 32 | 4 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 33 | 4 | 0.02 | 3 | 0.10 | +http://www.xovibot.net/ |
| 34 | 4 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 35 | 4 | 0.02 | 2 | 0.06 | +http://www.exabot.com/go/robot |
| 36 | 3 | 0.02 | 2 | 0.06 | Linux i586 [unknown version] |
| 37 | 2 | 0.01 | 1 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 38 | 2 | 0.01 | 1 | 0.03 | +https://www.mojeek.com/bot.html |
| 39 | 2 | 0.01 | 1 | 0.03 | +http://www.findxbot.com |
| 40 | 2 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 41 | 1 | 0.01 | 0 | 0.00 | Android |
| 42 | 1 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 43 | 1 | 0.01 | 1 | 0.03 | +info@netcraft.com |
