| Used Operating Systems |
| 1 | 7807 | 32.08 | 129 | 1.85 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7244 | 29.77 | 3579 | 51.22 | Windows NT |
| 3 | 2425 | 9.96 | 1840 | 26.33 | +http://www.baidu.com/search/spider.html |
| 4 | 2072 | 8.51 | 157 | 2.25 | +http://yandex.com/bots |
| 5 | 1044 | 4.29 | 217 | 3.11 | +http://ahrefs.com/robot/ |
| 6 | 956 | 3.93 | 16 | 0.23 | +http://OpenLinkProfiler.org/bot |
| 7 | 704 | 2.89 | 191 | 2.73 | +http://www.linkdex.com/bots/ |
| 8 | 471 | 1.94 | 236 | 3.38 | +http://www.google.com/bot.html |
| 9 | 421 | 1.73 | 139 | 1.99 | +http://www.bing.com/bingbot.htm |
| 10 | 328 | 1.35 | 76 | 1.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 147 | 0.60 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 12 | 116 | 0.48 | 109 | 1.56 | Windows 95 |
| 13 | 101 | 0.42 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 14 | 101 | 0.42 | 42 | 0.60 | Windows 98 |
| 15 | 84 | 0.35 | 16 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 31 | 0.13 | 13 | 0.19 | +http://www.exabot.com/go/robot |
| 17 | 29 | 0.12 | 26 | 0.37 | Windows 3.1 |
| 18 | 28 | 0.12 | 28 | 0.40 | MSIE 5.5; Windows NT 4.0 |
| 19 | 23 | 0.09 | 23 | 0.33 | Windows 2000 |
| 20 | 22 | 0.09 | 21 | 0.30 | Windows CE |
| 21 | 21 | 0.09 | 7 | 0.10 | Windows XP |
| 22 | 21 | 0.09 | 21 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 23 | 19 | 0.08 | 19 | 0.27 | Auto; Windows |
| 24 | 19 | 0.08 | 18 | 0.26 | ) - BrowseX (2.0.0 Windows |
| 25 | 15 | 0.06 | 14 | 0.20 | +info@netcraft.com |
| 26 | 14 | 0.06 | 14 | 0.20 | Windows ME |
| 27 | 13 | 0.05 | 1 | 0.01 | +http://www.linkpad.ru |
| 28 | 10 | 0.04 | 5 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 7 | 0.03 | 6 | 0.09 | X11 |
| 30 | 7 | 0.03 | 7 | 0.10 | actually this is http://ismyblogworking.... |
| 31 | 6 | 0.02 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 32 | 5 | 0.02 | 3 | 0.04 | Android 2.3.5 |
| 33 | 5 | 0.02 | 5 | 0.07 | +http://domainsigma.com/robot |
| 34 | 4 | 0.02 | 0 | 0.00 | +http://www.findxbot.com |
| 35 | 4 | 0.02 | 1 | 0.01 | +http://mediaeden.net |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://papijump.org |
| 37 | 2 | 0.01 | 1 | 0.01 | http://www.bing.com/bingbot.htm |
| 38 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 39 | 2 | 0.01 | 1 | 0.01 | +http://advbot.org/bot.html |
| 40 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 41 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 42 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 43 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
