| Used Operating Systems |
| 1 | 17337 | 35.97 | 8682 | 68.92 | +http://www.baidu.com/search/spider.html |
| 2 | 11309 | 23.46 | 119 | 0.94 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6747 | 14.00 | 932 | 7.40 | +http://www.bing.com/bingbot.htm |
| 4 | 3085 | 6.40 | 89 | 0.71 | +http://yandex.com/bots |
| 5 | 2858 | 5.93 | 890 | 7.07 | Windows NT |
| 6 | 1721 | 3.57 | 749 | 5.95 | +http://www.google.com/bot.html |
| 7 | 1061 | 2.20 | 206 | 1.64 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 859 | 1.78 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 853 | 1.77 | 310 | 2.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 460 | 0.95 | 87 | 0.69 | +http://www.semrush.com/bot.html |
| 11 | 370 | 0.77 | 3 | 0.02 | +http://webmeup-crawler.com/ |
| 12 | 325 | 0.67 | 232 | 1.84 | +http://ahrefs.com/robot/ |
| 13 | 228 | 0.47 | 90 | 0.71 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 221 | 0.46 | 2 | 0.02 | +http://www.warebay.com/bot.html |
| 15 | 212 | 0.44 | 1 | 0.01 | +http://megaindex.com/crawler |
| 16 | 144 | 0.30 | 50 | 0.40 | +http://www.linkdex.com/bots/ |
| 17 | 124 | 0.26 | 59 | 0.47 | +http://duckduckgo.com |
| 18 | 42 | 0.09 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 19 | 37 | 0.08 | 13 | 0.10 | Windows XP |
| 20 | 28 | 0.06 | 7 | 0.06 | Windows 95 |
| 21 | 25 | 0.05 | 25 | 0.20 | +http://www.xovibot.net/ |
| 22 | 19 | 0.04 | 8 | 0.06 | +http://www.exabot.com/go/robot |
| 23 | 16 | 0.03 | 0 | 0.00 | Windows 9x |
| 24 | 16 | 0.03 | 6 | 0.05 | Windows 98 |
| 25 | 12 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 26 | 9 | 0.02 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 27 | 8 | 0.02 | 4 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 8 | 0.02 | 2 | 0.02 | +; |
| 29 | 8 | 0.02 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 30 | 7 | 0.01 | 3 | 0.02 | Windows ME |
| 31 | 6 | 0.01 | 2 | 0.02 | Windows CE |
| 32 | 6 | 0.01 | 2 | 0.02 | Auto; Windows |
| 33 | 6 | 0.01 | 2 | 0.02 | Windows 2000 |
| 34 | 6 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 35 | 4 | 0.01 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 36 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 37 | 3 | 0.01 | 1 | 0.01 | Windows 3.1 |
| 38 | 3 | 0.01 | 3 | 0.02 | X11 |
| 39 | 3 | 0.01 | 1 | 0.01 | +http://www.profound.net/domainappender |
| 40 | 2 | 0.00 | 0 | 0.00 | http://drive.google.com |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 45 | 1 | 0.00 | 1 | 0.01 | Linux 2.6.x |
| 46 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 47 | 1 | 0.00 | 0 | 0.00 | https://help.yahoo.com/kb/mail/yahoo-lin... |
