| Used Operating Systems |
| 1 | 6299 | 55.60 | 821 | 26.72 | Windows NT |
| 2 | 2295 | 20.26 | 1618 | 52.65 | +http://www.baidu.com/search/spider.html |
| 3 | 707 | 6.24 | 186 | 6.05 | +http://www.bing.com/bingbot.htm |
| 4 | 698 | 6.16 | 31 | 1.01 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 638 | 5.63 | 235 | 7.65 | +http://www.google.com/bot.html |
| 6 | 113 | 1.00 | 11 | 0.36 | +http://yandex.com/bots |
| 7 | 102 | 0.90 | 33 | 1.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 72 | 0.64 | 13 | 0.42 | +http://ahrefs.com/robot/ |
| 9 | 60 | 0.53 | 5 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 10 | 57 | 0.50 | 28 | 0.91 | http://www.bing.com/bingbot.htm |
| 11 | 36 | 0.32 | 2 | 0.07 | +http://www.seokicks.de/robot.html |
| 12 | 29 | 0.26 | 12 | 0.39 | +http://www.exabot.com/go/robot |
| 13 | 28 | 0.25 | 3 | 0.10 | +http://fulltext.sblog.cz/ |
| 14 | 20 | 0.18 | 12 | 0.39 | Windows 98 |
| 15 | 19 | 0.17 | 7 | 0.23 | Windows XP |
| 16 | 19 | 0.17 | 12 | 0.39 | Windows 95 |
| 17 | 19 | 0.17 | 4 | 0.13 | +http://www.profound.net/domainappender |
| 18 | 16 | 0.14 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 14 | 0.12 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 13 | 0.11 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 21 | 10 | 0.09 | 6 | 0.20 | Auto; Windows |
| 22 | 10 | 0.09 | 0 | 0.00 | Linux [unknown version] |
| 23 | 8 | 0.07 | 3 | 0.10 | Windows 3.1 |
| 24 | 8 | 0.07 | 7 | 0.23 | +info@netcraft.com |
| 25 | 5 | 0.04 | 1 | 0.03 | Android |
| 26 | 4 | 0.04 | 2 | 0.07 | Windows 2000 |
| 27 | 3 | 0.03 | 3 | 0.10 | http://nmap.org/book/nse.html |
| 28 | 3 | 0.03 | 0 | 0.00 | +http://www.linkdex.com/bots/ |
| 29 | 3 | 0.03 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 30 | 3 | 0.03 | 3 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 31 | 2 | 0.02 | 2 | 0.07 | Windows CE |
| 32 | 2 | 0.02 | 1 | 0.03 | +http://crawler.seolytics.net/ |
| 33 | 2 | 0.02 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 34 | 2 | 0.02 | 2 | 0.07 | Linux i686 [unknown version] |
| 35 | 2 | 0.02 | 2 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 36 | 2 | 0.02 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.02 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 1 | 0.01 | 1 | 0.03 | Windows ME |
| 39 | 1 | 0.01 | 0 | 0.00 | BREW |
| 40 | 1 | 0.01 | 0 | 0.00 | +; |
| 41 | 1 | 0.01 | 0 | 0.00 | +http://nlp.fi.muni.cz/projects/biwec/ |
