| Used Operating Systems |
| 1 | 39881 | 71.12 | 327 | 7.39 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8322 | 14.84 | 2375 | 53.68 | Windows NT |
| 3 | 1929 | 3.44 | 155 | 3.50 | +http://ahrefs.com/robot/ |
| 4 | 1752 | 3.12 | 3 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 5 | 862 | 1.54 | 535 | 12.09 | +http://www.baidu.com/search/spider.html |
| 6 | 784 | 1.40 | 290 | 6.56 | +http://www.bing.com/bingbot.htm |
| 7 | 704 | 1.26 | 299 | 6.76 | +http://www.google.com/bot.html |
| 8 | 386 | 0.69 | 98 | 2.22 | +http://www.linkdex.com/bots/ |
| 9 | 351 | 0.63 | 80 | 1.81 | +http://yandex.com/bots |
| 10 | 350 | 0.62 | 63 | 1.42 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 316 | 0.56 | 56 | 1.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 76 | 0.14 | 28 | 0.63 | Linux i686 [unknown version] |
| 13 | 50 | 0.09 | 1 | 0.02 | +http://advbot.org/bot.html |
| 14 | 49 | 0.09 | 10 | 0.23 | +http://fulltext.sblog.cz/ |
| 15 | 47 | 0.08 | 13 | 0.29 | X11 |
| 16 | 32 | 0.06 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 17 | 29 | 0.05 | 26 | 0.59 | Windows 95 |
| 18 | 26 | 0.05 | 11 | 0.25 | +http://www.exabot.com/go/robot |
| 19 | 24 | 0.04 | 4 | 0.09 | Windows CE |
| 20 | 14 | 0.02 | 6 | 0.14 | Win32 |
| 21 | 14 | 0.02 | 3 | 0.07 | Windows 98 |
| 22 | 14 | 0.02 | 7 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 11 | 0.02 | 9 | 0.20 | Windows ME |
| 24 | 8 | 0.01 | 2 | 0.05 | Windows XP |
| 25 | 8 | 0.01 | 6 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 26 | 7 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 27 | 6 | 0.01 | 6 | 0.14 | Windows 2000 |
| 28 | 6 | 0.01 | 2 | 0.05 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 29 | 4 | 0.01 | 4 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 30 | 3 | 0.01 | 3 | 0.07 | Windows 3.1 |
| 31 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X |
| 32 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 33 | 2 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 34 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 35 | 2 | 0.00 | 0 | 0.00 | Linux i586 [unknown version] |
| 36 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 37 | 1 | 0.00 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
