| Used Operating Systems |
| 1 | 31475 | 45.18 | 12270 | 52.50 | Windows NT |
| 2 | 18637 | 26.75 | 105 | 0.45 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 10062 | 14.44 | 5065 | 21.67 | +http://ahrefs.com/robot/ |
| 4 | 5532 | 7.94 | 4572 | 19.56 | +http://www.baidu.com/search/spider.html |
| 5 | 2051 | 2.94 | 453 | 1.94 | +http://www.bing.com/bingbot.htm |
| 6 | 521 | 0.75 | 333 | 1.42 | +http://www.google.com/bot.html |
| 7 | 370 | 0.53 | 149 | 0.64 | +http://yandex.com/bots |
| 8 | 252 | 0.36 | 132 | 0.56 | +http://www.xovibot.net/ |
| 9 | 230 | 0.33 | 110 | 0.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 147 | 0.21 | 55 | 0.24 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 144 | 0.21 | 53 | 0.23 | +http://www.linkdex.com/bots/ |
| 12 | 111 | 0.16 | 45 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 52 | 0.07 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 24 | 0.03 | 3 | 0.01 | +http://sur.ly/bot.html |
| 15 | 14 | 0.02 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 16 | 10 | 0.01 | 2 | 0.01 | Windows 98 |
| 17 | 8 | 0.01 | 3 | 0.01 | Android 2.3.5 |
| 18 | 8 | 0.01 | 4 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 3 | 0.00 | 2 | 0.01 | Windows 2000 |
| 20 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 21 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 22 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 23 | 2 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 24 | 2 | 0.00 | 1 | 0.00 | X11 |
| 25 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 26 | 1 | 0.00 | 1 | 0.00 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 27 | 1 | 0.00 | 1 | 0.00 | Windows XP |
| 28 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 29 | 1 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 30 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 31 | 1 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
| 32 | 1 | 0.00 | 1 | 0.00 | Windows 95 |
