| Used Operating Systems |
| 1 | 21995 | 70.24 | 173 | 3.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3100 | 9.90 | 1949 | 36.31 | Windows NT |
| 3 | 2236 | 7.14 | 1941 | 36.17 | +http://www.baidu.com/search/spider.html |
| 4 | 1521 | 4.86 | 639 | 11.91 | +http://www.google.com/bot.html |
| 5 | 773 | 2.47 | 47 | 0.88 | +http://yandex.com/bots |
| 6 | 749 | 2.39 | 236 | 4.40 | +http://www.bing.com/bingbot.htm |
| 7 | 311 | 0.99 | 78 | 1.45 | +http://www.linkdex.com/bots/ |
| 8 | 143 | 0.46 | 94 | 1.75 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 79 | 0.25 | 37 | 0.69 | +http://www.exabot.com/go/robot |
| 10 | 66 | 0.21 | 26 | 0.48 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 56 | 0.18 | 35 | 0.65 | +http://ahrefs.com/robot/ |
| 12 | 36 | 0.11 | 12 | 0.22 | Windows XP |
| 13 | 32 | 0.10 | 5 | 0.09 | +http://fulltext.sblog.cz/ |
| 14 | 30 | 0.10 | 10 | 0.19 | http://www.searchmetrics.com/en/searchme... |
| 15 | 28 | 0.09 | 12 | 0.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 22 | 0.07 | 14 | 0.26 | Windows 95 |
| 17 | 21 | 0.07 | 7 | 0.13 | Windows 98 |
| 18 | 13 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 19 | 10 | 0.03 | 0 | 0.00 | Android |
| 20 | 8 | 0.03 | 4 | 0.07 | Windows CE |
| 21 | 8 | 0.03 | 5 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 22 | 8 | 0.03 | 4 | 0.07 | +http://duckduckgo.com |
| 23 | 7 | 0.02 | 5 | 0.09 | Windows 3.1 |
| 24 | 6 | 0.02 | 1 | 0.02 | Linux i686 [unknown version] |
| 25 | 5 | 0.02 | 5 | 0.09 | Auto; Windows |
| 26 | 5 | 0.02 | 3 | 0.06 | Windows 2000 |
| 27 | 5 | 0.02 | 4 | 0.07 | http://nmap.org/book/nse.html |
| 28 | 4 | 0.01 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 29 | 4 | 0.01 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 30 | 4 | 0.01 | 4 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 31 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 3 | 0.01 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 33 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 34 | 3 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 35 | 3 | 0.01 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.01 | 2 | 0.04 | Windows ME |
| 37 | 2 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.19; Windows NT 6.... |
| 38 | 2 | 0.01 | 1 | 0.02 | +http://www.findxbot.com |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 40 | 1 | 0.00 | 1 | 0.02 | +http://glutenfreepleasure.com/ |
| 41 | 1 | 0.00 | 1 | 0.02 | http://whynder.com/magnet |
| 42 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 43 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 44 | 1 | 0.00 | 0 | 0.00 | X11 |
