| Used Operating Systems |
| 1 | 18295 | 45.84 | 177 | 4.00 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 14273 | 35.76 | 236 | 5.33 | +http://ahrefs.com/robot/ |
| 3 | 2689 | 6.74 | 2188 | 49.39 | +http://www.baidu.com/search/spider.html |
| 4 | 1929 | 4.83 | 895 | 20.20 | +http://www.xovibot.net/ |
| 5 | 1329 | 3.33 | 461 | 10.41 | +http://www.google.com/bot.html |
| 6 | 768 | 1.92 | 239 | 5.40 | +http://www.bing.com/bingbot.htm |
| 7 | 155 | 0.39 | 63 | 1.42 | Windows NT |
| 8 | 133 | 0.33 | 34 | 0.77 | +http://yandex.com/bots |
| 9 | 121 | 0.30 | 48 | 1.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 75 | 0.19 | 23 | 0.52 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 44 | 0.11 | 14 | 0.32 | +http://www.linkdex.com/bots/ |
| 12 | 22 | 0.06 | 11 | 0.25 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 19 | 0.05 | 9 | 0.20 | +http://www.exabot.com/go/robot |
| 14 | 16 | 0.04 | 2 | 0.05 | Windows 98 |
| 15 | 8 | 0.02 | 8 | 0.18 | +http://warifort.moykrest.ru/ |
| 16 | 6 | 0.02 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 17 | 6 | 0.02 | 6 | 0.14 | +http://domainsigma.com/robot |
| 18 | 4 | 0.01 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 4 | 0.01 | 4 | 0.09 | +http://warifort.moykrest.ru |
| 20 | 4 | 0.01 | 4 | 0.09 | +http://monasterytea.spbdyet.ru |
| 21 | 2 | 0.01 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 22 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 23 | 2 | 0.01 | 2 | 0.05 | Linux i586 [unknown version] |
| 24 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 25 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 26 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
