| Used Operating Systems |
| 1 | 24535 | 73.97 | 303 | 5.69 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4705 | 14.18 | 3387 | 63.63 | +http://www.baidu.com/search/spider.html |
| 3 | 1882 | 5.67 | 1009 | 18.96 | Windows NT |
| 4 | 902 | 2.72 | 374 | 7.03 | +http://www.bing.com/bingbot.htm |
| 5 | 520 | 1.57 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 6 | 295 | 0.89 | 108 | 2.03 | +http://www.google.com/bot.html |
| 7 | 206 | 0.62 | 94 | 1.77 | +http://yandex.com/bots |
| 8 | 43 | 0.13 | 18 | 0.34 | +http://www.exabot.com/go/robot |
| 9 | 24 | 0.07 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 14 | 0.04 | 2 | 0.04 | crawler@mixrank.com |
| 11 | 12 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 12 | 6 | 0.02 | 3 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 5 | 0.02 | 3 | 0.06 | http://nmap.org/book/nse.html |
| 14 | 4 | 0.01 | 4 | 0.08 | +http://domainmacro.com |
| 15 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 16 | 3 | 0.01 | 3 | 0.06 | +http://tobbot.com/ |
| 17 | 3 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 18 | 2 | 0.01 | 2 | 0.04 | Linux [unknown version] |
| 19 | 2 | 0.01 | 2 | 0.04 | FreeBSD [unknown version] |
| 20 | 2 | 0.01 | 2 | 0.04 | X11 |
| 21 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
