| Used Operating Systems |
| 1 | 5405 | 42.13 | 97 | 2.57 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3632 | 28.31 | 1269 | 33.66 | Windows NT |
| 3 | 2020 | 15.75 | 1874 | 49.71 | +http://www.baidu.com/search/spider.html |
| 4 | 629 | 4.90 | 123 | 3.26 | +http://yandex.com/bots |
| 5 | 323 | 2.52 | 95 | 2.52 | +http://www.linkdex.com/bots/ |
| 6 | 320 | 2.49 | 105 | 2.79 | +http://www.bing.com/bingbot.htm |
| 7 | 232 | 1.81 | 98 | 2.60 | +http://www.google.com/bot.html |
| 8 | 65 | 0.51 | 27 | 0.72 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 41 | 0.32 | 17 | 0.45 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 36 | 0.28 | 17 | 0.45 | +http://www.exabot.com/go/robot |
| 11 | 16 | 0.12 | 4 | 0.11 | http://filterdb.iss.net/crawler/ |
| 12 | 11 | 0.09 | 3 | 0.08 | +http://ahrefs.com/robot/ |
| 13 | 11 | 0.09 | 4 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 10 | 0.08 | 0 | 0.00 | Linux [unknown version] |
| 15 | 9 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 16 | 8 | 0.06 | 4 | 0.11 | +http://duckduckgo.com |
| 17 | 8 | 0.06 | 7 | 0.19 | +http://domainsigma.com/robot |
| 18 | 6 | 0.05 | 2 | 0.05 | +http://advbot.net/bot.html |
| 19 | 6 | 0.05 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 20 | 5 | 0.04 | 4 | 0.11 | +http://www.semrush.com/bot.html |
| 21 | 5 | 0.04 | 0 | 0.00 | Windows 98 |
| 22 | 4 | 0.03 | 1 | 0.03 | +http://g5files.net |
| 23 | 4 | 0.03 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 25 | 2 | 0.02 | 2 | 0.05 | http://crawler.sistrix.net/ |
| 26 | 2 | 0.02 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 27 | 2 | 0.02 | 2 | 0.05 | Windows ME |
| 28 | 2 | 0.02 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 29 | 2 | 0.02 | 1 | 0.03 | +http://gimme60.com |
| 30 | 2 | 0.02 | 1 | 0.03 | X11 |
| 31 | 2 | 0.02 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 32 | 2 | 0.02 | 2 | 0.05 | +; |
| 33 | 1 | 0.01 | 1 | 0.03 | Windows 2000 |
| 34 | 1 | 0.01 | 1 | 0.03 | Windows 95 |
| 35 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 36 | 1 | 0.01 | 1 | 0.03 | Android 2.3.5 |
