| Used Operating Systems by Visits |
| 1 | 15272 | 15.45 | 4647 | 54.06 | Windows NT |
| 2 | 2347 | 2.37 | 785 | 9.13 | +http://www.xovibot.net/ |
| 3 | 1158 | 1.17 | 766 | 8.91 | +http://www.baidu.com/search/spider.html |
| 4 | 844 | 0.85 | 430 | 5.00 | +http://www.google.com/bot.html |
| 5 | 55868 | 56.51 | 326 | 3.79 | +http://yandex.com/bots |
| 6 | 669 | 0.68 | 252 | 2.93 | +http://www.bing.com/bingbot.htm |
| 7 | 1315 | 1.33 | 248 | 2.89 | +http://www.semrush.com/bot.html |
| 8 | 18178 | 18.39 | 210 | 2.44 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 231 | 0.23 | 193 | 2.25 | Windows 95 |
| 10 | 192 | 0.19 | 104 | 1.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 1362 | 1.38 | 101 | 1.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 440 | 0.45 | 68 | 0.79 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 118 | 0.12 | 68 | 0.79 | +http://ahrefs.com/robot/ |
| 14 | 141 | 0.14 | 44 | 0.51 | +http://www.linkdex.com/bots/ |
| 15 | 146 | 0.15 | 40 | 0.47 | Windows 98 |
| 16 | 38 | 0.04 | 37 | 0.43 | Windows 2000 |
| 17 | 48 | 0.05 | 37 | 0.43 | Windows ME |
| 18 | 38 | 0.04 | 34 | 0.40 | Windows CE |
| 19 | 39 | 0.04 | 33 | 0.38 | Windows 3.1 |
| 20 | 30 | 0.03 | 30 | 0.35 | MSIE 5.5; Windows NT 5.0 |
| 21 | 25 | 0.03 | 25 | 0.29 | MSIE 5.5; Windows NT 4.0 |
| 22 | 22 | 0.02 | 22 | 0.26 | Auto; Windows |
| 23 | 21 | 0.02 | 21 | 0.24 | ) - BrowseX (2.0.0 Windows |
| 24 | 35 | 0.04 | 16 | 0.19 | X11 |
| 25 | 44 | 0.04 | 11 | 0.13 | Windows XP |
| 26 | 17 | 0.02 | 9 | 0.10 | +http://www.exabot.com/go/robot |
| 27 | 55 | 0.06 | 7 | 0.08 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 28 | 11 | 0.01 | 5 | 0.06 | Android 2.3.5 |
| 29 | 13 | 0.01 | 4 | 0.05 | +http://www.seograph.net/bot.html |
| 30 | 12 | 0.01 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 31 | 8 | 0.01 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 3 | 0.00 | 3 | 0.03 | Linux i686 [unknown version] |
| 33 | 6 | 0.01 | 3 | 0.03 | +http://fulltext.sblog.cz/ |
| 34 | 14 | 0.01 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 35 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 36 | 6 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 37 | 36 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 38 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 39 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 40 | 36 | 0.04 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 41 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://advbot.org/bot.html |
| 43 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 18 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
