| Used Operating Systems |
| 1 | 28605 | 72.47 | 204 | 4.18 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3981 | 10.09 | 1362 | 27.92 | Windows NT |
| 3 | 2297 | 5.82 | 2066 | 42.34 | +http://www.baidu.com/search/spider.html |
| 4 | 1390 | 3.52 | 125 | 2.56 | +http://yandex.com/bots |
| 5 | 1312 | 3.32 | 184 | 3.77 | +http://www.bing.com/bingbot.htm |
| 6 | 1158 | 2.93 | 598 | 12.26 | +http://www.google.com/bot.html |
| 7 | 125 | 0.32 | 34 | 0.70 | +http://www.linkdex.com/bots/ |
| 8 | 119 | 0.30 | 48 | 0.98 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 102 | 0.26 | 61 | 1.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 91 | 0.23 | 72 | 1.48 | +http://ahrefs.com/robot/ |
| 11 | 61 | 0.15 | 3 | 0.06 | http://crawler.sistrix.net/ |
| 12 | 47 | 0.12 | 22 | 0.45 | +http://www.exabot.com/go/robot |
| 13 | 26 | 0.07 | 23 | 0.47 | Windows 95 |
| 14 | 17 | 0.04 | 9 | 0.18 | Windows 98 |
| 15 | 12 | 0.03 | 6 | 0.12 | +http://duckduckgo.com |
| 16 | 11 | 0.03 | 6 | 0.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 9 | 0.02 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 18 | 9 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 8 | 0.02 | 8 | 0.16 | Windows 2000 |
| 20 | 8 | 0.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 21 | 8 | 0.02 | 2 | 0.04 | +http://downloadg5.com |
| 22 | 7 | 0.02 | 0 | 0.00 | Android |
| 23 | 7 | 0.02 | 6 | 0.12 | Windows 3.1 |
| 24 | 6 | 0.02 | 5 | 0.10 | Windows ME |
| 25 | 6 | 0.02 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 26 | 5 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 27 | 4 | 0.01 | 4 | 0.08 | Windows CE |
| 28 | 4 | 0.01 | 2 | 0.04 | Mail.RU_Bot/Robots; +http://go.mail.ru/h... |
| 29 | 4 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 30 | 4 | 0.01 | 3 | 0.06 | X11 |
| 31 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 4 | 0.01 | 4 | 0.08 | +http://domainsigma.com/robot |
| 33 | 3 | 0.01 | 1 | 0.02 | +http://advbot.net/bot.html |
| 34 | 3 | 0.01 | 3 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 35 | 3 | 0.01 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.01 | 2 | 0.04 | OpenBSD [unknown version] |
| 37 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 38 | 2 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 39 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 40 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 41 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 42 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 43 | 1 | 0.00 | 1 | 0.02 | http://www.bing.com/bingbot.htm |
