| Used Operating Systems |
| 1 | 18238 | 35.64 | 212 | 2.54 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10791 | 21.08 | 828 | 9.92 | +http://www.bing.com/bingbot.htm |
| 3 | 7284 | 14.23 | 3569 | 42.76 | Windows NT |
| 4 | 5195 | 10.15 | 285 | 3.41 | +http://yandex.com/bots |
| 5 | 2969 | 5.80 | 1309 | 15.68 | +http://www.google.com/bot.html |
| 6 | 1565 | 3.06 | 250 | 3.00 | +http://ahrefs.com/robot/ |
| 7 | 1429 | 2.79 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 1426 | 2.79 | 1029 | 12.33 | +http://www.baidu.com/search/spider.html |
| 9 | 497 | 0.97 | 259 | 3.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 391 | 0.76 | 69 | 0.83 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 254 | 0.50 | 4 | 0.05 | Linux i686 [unknown version] |
| 12 | 190 | 0.37 | 48 | 0.58 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 145 | 0.28 | 33 | 0.40 | +http://www.semrush.com/bot.html |
| 14 | 134 | 0.26 | 129 | 1.55 | Windows 95 |
| 15 | 117 | 0.23 | 29 | 0.35 | +http://www.exabot.com/go/robot |
| 16 | 79 | 0.15 | 30 | 0.36 | Windows 98 |
| 17 | 48 | 0.09 | 6 | 0.07 | +http://www.findxbot.com |
| 18 | 33 | 0.06 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 19 | 32 | 0.06 | 32 | 0.38 | Windows 3.1 |
| 20 | 30 | 0.06 | 5 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 29 | 0.06 | 29 | 0.35 | MSIE 5.5; Windows NT 5.0 |
| 22 | 28 | 0.05 | 27 | 0.32 | Windows 2000 |
| 23 | 28 | 0.05 | 4 | 0.05 | +http://fulltext.sblog.cz/ |
| 24 | 26 | 0.05 | 24 | 0.29 | Windows ME |
| 25 | 25 | 0.05 | 25 | 0.30 | MSIE 5.5; Windows NT 4.0 |
| 26 | 23 | 0.04 | 23 | 0.28 | Windows CE |
| 27 | 23 | 0.04 | 11 | 0.13 | +http://www.linkdex.com/bots/ |
| 28 | 19 | 0.04 | 18 | 0.22 | Auto; Windows |
| 29 | 18 | 0.04 | 2 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 30 | 17 | 0.03 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 31 | 16 | 0.03 | 8 | 0.10 | +http://help.coccoc.com/ |
| 32 | 16 | 0.03 | 9 | 0.11 | Windows XP |
| 33 | 15 | 0.03 | 8 | 0.10 | X11 |
| 34 | 12 | 0.02 | 6 | 0.07 | +http://duckduckgo.com |
| 35 | 9 | 0.02 | 5 | 0.06 | Android 2.3.5 |
| 36 | 9 | 0.02 | 9 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 37 | 8 | 0.02 | 0 | 0.00 | Android |
| 38 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 39 | 2 | 0.00 | 1 | 0.01 | +http://www.wevika.de/ |
| 40 | 2 | 0.00 | 1 | 0.01 | +http://www.alexa.com/help/webmasters; n... |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://www.seograph.net/bot.html |
| 42 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 43 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://www.wmtips.com/tools/ |
| 45 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
