| Used Operating Systems |
| 1 | 13822 | 60.91 | 190 | 4.62 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4245 | 18.71 | 1933 | 46.97 | Windows NT |
| 3 | 1260 | 5.55 | 296 | 7.19 | +http://ahrefs.com/robot/ |
| 4 | 836 | 3.68 | 333 | 8.09 | +http://www.google.com/bot.html |
| 5 | 751 | 3.31 | 439 | 10.67 | +http://www.xovibot.net/ |
| 6 | 311 | 1.37 | 71 | 1.73 | +http://yandex.com/bots |
| 7 | 305 | 1.34 | 172 | 4.18 | +http://www.bing.com/bingbot.htm |
| 8 | 246 | 1.08 | 212 | 5.15 | +http://www.baidu.com/search/spider.html |
| 9 | 202 | 0.89 | 146 | 3.55 | Windows 95 |
| 10 | 148 | 0.65 | 34 | 0.83 | Windows 98 |
| 11 | 77 | 0.34 | 27 | 0.66 | +http://www.linkdex.com/bots/ |
| 12 | 51 | 0.22 | 2 | 0.05 | +http://www.findxbot.com |
| 13 | 45 | 0.20 | 32 | 0.78 | Windows 2000 |
| 14 | 43 | 0.19 | 28 | 0.68 | MSIE 5.5; Windows NT 5.0 |
| 15 | 42 | 0.19 | 30 | 0.73 | Windows ME |
| 16 | 32 | 0.14 | 24 | 0.58 | Windows CE |
| 17 | 32 | 0.14 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 18 | 30 | 0.13 | 5 | 0.12 | Windows XP |
| 19 | 30 | 0.13 | 25 | 0.61 | ) - BrowseX (2.0.0 Windows |
| 20 | 29 | 0.13 | 24 | 0.58 | Auto; Windows |
| 21 | 28 | 0.12 | 21 | 0.51 | MSIE 5.5; Windows NT 4.0 |
| 22 | 26 | 0.11 | 21 | 0.51 | Windows 3.1 |
| 23 | 18 | 0.08 | 6 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 16 | 0.07 | 9 | 0.22 | Linux i686 [unknown version] |
| 25 | 16 | 0.07 | 9 | 0.22 | +http://www.exabot.com/go/robot |
| 26 | 14 | 0.06 | 7 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 9 | 0.04 | 3 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 28 | 9 | 0.04 | 9 | 0.22 | +http://domainsigma.com/robot |
| 29 | 4 | 0.02 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 4 | 0.02 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 31 | 4 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 32 | 2 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 33 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 34 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
