| Used Operating Systems |
| 1 | 21751 | 88.16 | 1621 | 46.37 | Windows NT |
| 2 | 1391 | 5.64 | 1309 | 37.44 | +http://www.baidu.com/search/spider.html |
| 3 | 698 | 2.83 | 204 | 5.84 | +http://www.bing.com/bingbot.htm |
| 4 | 344 | 1.39 | 183 | 5.23 | +http://www.google.com/bot.html |
| 5 | 92 | 0.37 | 37 | 1.06 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 58 | 0.24 | 25 | 0.72 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 55 | 0.22 | 15 | 0.43 | +http://yandex.com/bots |
| 8 | 40 | 0.16 | 5 | 0.14 | +http://ahrefs.com/robot/ |
| 9 | 38 | 0.15 | 6 | 0.17 | +http://www.semrush.com/bot.html |
| 10 | 30 | 0.12 | 15 | 0.43 | +http://duckduckgo.com |
| 11 | 22 | 0.09 | 6 | 0.17 | X11 |
| 12 | 21 | 0.09 | 5 | 0.14 | +http://fulltext.sblog.cz/ |
| 13 | 17 | 0.07 | 11 | 0.31 | Windows 98 |
| 14 | 14 | 0.06 | 0 | 0.00 | documents; +http://docs.google.com |
| 15 | 12 | 0.05 | 5 | 0.14 | +http://help.coccoc.com/ |
| 16 | 12 | 0.05 | 12 | 0.34 | Windows 95 |
| 17 | 9 | 0.04 | 2 | 0.06 | +http://www.findxbot.com |
| 18 | 8 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 8 | 0.03 | 3 | 0.09 | +http://www.exabot.com/go/robot |
| 20 | 7 | 0.03 | 0 | 0.00 | Android 2.3.5 |
| 21 | 7 | 0.03 | 6 | 0.17 | +info@netcraft.com |
| 22 | 5 | 0.02 | 5 | 0.14 | Windows 2000 |
| 23 | 4 | 0.02 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 4 | 0.02 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 25 | 4 | 0.02 | 4 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 26 | 4 | 0.02 | 1 | 0.03 | +http://www.profound.net/domainappender |
| 27 | 2 | 0.01 | 2 | 0.06 | Auto; Windows |
| 28 | 2 | 0.01 | 2 | 0.06 | Linux [unknown version] |
| 29 | 2 | 0.01 | 1 | 0.03 | +https://www.mojeek.com/bot.html |
| 30 | 2 | 0.01 | 1 | 0.03 | +http://crawler.seolytics.net/ |
| 31 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 32 | 2 | 0.01 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 33 | 2 | 0.01 | 1 | 0.03 | +http://www.seokicks.de/robot.html |
| 34 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 35 | 1 | 0.00 | 1 | 0.03 | Linux i686 [unknown version] |
| 36 | 1 | 0.00 | 1 | 0.03 | Windows 3.1 |
| 37 | 1 | 0.00 | 1 | 0.03 | +http://domainmacro.com |
