| Used Operating Systems |
| 1 | 30468 | 54.90 | 267 | 3.24 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6070 | 10.94 | 67 | 0.81 | +http://ahrefs.com/robot/ |
| 3 | 5929 | 10.68 | 3966 | 48.15 | +http://www.baidu.com/search/spider.html |
| 4 | 5179 | 9.33 | 1371 | 16.65 | Windows NT |
| 5 | 2968 | 5.35 | 659 | 8.00 | +http://www.xovibot.net/ |
| 6 | 2013 | 3.63 | 781 | 9.48 | +http://www.google.com/bot.html |
| 7 | 724 | 1.30 | 313 | 3.80 | +http://www.bing.com/bingbot.htm |
| 8 | 678 | 1.22 | 193 | 2.34 | +http://yandex.com/bots |
| 9 | 624 | 1.12 | 175 | 2.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 443 | 0.80 | 317 | 3.85 | +http://www.linkdex.com/bots/ |
| 11 | 69 | 0.12 | 29 | 0.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 60 | 0.11 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 13 | 50 | 0.09 | 5 | 0.06 | Windows 98 |
| 14 | 33 | 0.06 | 11 | 0.13 | Windows XP |
| 15 | 28 | 0.05 | 14 | 0.17 | +http://help.coccoc.com/ |
| 16 | 24 | 0.04 | 11 | 0.13 | +http://duckduckgo.com |
| 17 | 22 | 0.04 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 18 | 17 | 0.03 | 8 | 0.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 10 | 0.02 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 20 | 10 | 0.02 | 2 | 0.02 | Windows 95 |
| 21 | 10 | 0.02 | 1 | 0.01 | +http://megaindex.com/crawler |
| 22 | 9 | 0.02 | 7 | 0.08 | Linux [unknown version] |
| 23 | 8 | 0.01 | 4 | 0.05 | Auto; Windows |
| 24 | 8 | 0.01 | 4 | 0.05 | +http://www.exabot.com/go/robot |
| 25 | 8 | 0.01 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 5 | 0.01 | 2 | 0.02 | Windows ME |
| 27 | 5 | 0.01 | 5 | 0.06 | Linux i586 [unknown version] |
| 28 | 4 | 0.01 | 4 | 0.05 | Linux i686 [unknown version] |
| 29 | 4 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 30 | 3 | 0.01 | 3 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 31 | 3 | 0.01 | 3 | 0.04 | http://nmap.org/book/nse.html |
| 32 | 3 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 33 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 35 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 36 | 2 | 0.00 | 2 | 0.02 | +http://domainmacro.com |
| 37 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 38 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
