| Used Operating Systems |
| 1 | 24346 | 35.08 | 194 | 1.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15428 | 22.23 | 928 | 6.54 | Windows NT |
| 3 | 12438 | 17.92 | 8405 | 59.25 | +http://ahrefs.com/robot/ |
| 4 | 4006 | 5.77 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 5 | 3895 | 5.61 | 205 | 1.45 | +http://www.bing.com/bingbot.htm |
| 6 | 3691 | 5.32 | 3055 | 21.54 | +http://www.baidu.com/search/spider.html |
| 7 | 1930 | 2.78 | 6 | 0.04 | +http://www.warebay.com/bot.html |
| 8 | 1759 | 2.53 | 781 | 5.51 | +http://www.google.com/bot.html |
| 9 | 547 | 0.79 | 66 | 0.47 | +http://yandex.com/bots |
| 10 | 357 | 0.51 | 142 | 1.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 299 | 0.43 | 86 | 0.61 | +http://www.linkdex.com/bots/ |
| 12 | 238 | 0.34 | 213 | 1.50 | +http://www.xovibot.net/ |
| 13 | 190 | 0.27 | 23 | 0.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 42 | 0.06 | 17 | 0.12 | +http://help.coccoc.com/ |
| 15 | 28 | 0.04 | 9 | 0.06 | Windows 95 |
| 16 | 26 | 0.04 | 2 | 0.01 | Windows XP |
| 17 | 24 | 0.03 | 3 | 0.02 | Windows 98 |
| 18 | 20 | 0.03 | 17 | 0.12 | +http://www.uptime.com/uptimebot |
| 19 | 15 | 0.02 | 1 | 0.01 | Android |
| 20 | 14 | 0.02 | 4 | 0.03 | Windows 2000 |
| 21 | 14 | 0.02 | 1 | 0.01 | +http://sur.ly/bot.html |
| 22 | 14 | 0.02 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 23 | 13 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 24 | 10 | 0.01 | 5 | 0.04 | Windows 3.1 |
| 25 | 10 | 0.01 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 26 | 6 | 0.01 | 3 | 0.02 | Windows CE |
| 27 | 4 | 0.01 | 0 | 0.00 | Win32 |
| 28 | 4 | 0.01 | 3 | 0.02 | http://nmap.org/book/nse.html |
| 29 | 4 | 0.01 | 2 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 3 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 31 | 3 | 0.00 | 0 | 0.00 | X11 |
| 32 | 2 | 0.00 | 1 | 0.01 | Windows ME |
| 33 | 2 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 34 | 2 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 35 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 36 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 37 | 2 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 39 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
