| Used Operating Systems |
| 1 | 12729 | 32.29 | 7520 | 61.76 | +http://www.baidu.com/search/spider.html |
| 2 | 10263 | 26.03 | 212 | 1.74 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6978 | 17.70 | 1845 | 15.15 | Windows NT |
| 4 | 3468 | 8.80 | 622 | 5.11 | +http://www.bing.com/bingbot.htm |
| 5 | 1622 | 4.11 | 703 | 5.77 | +http://www.google.com/bot.html |
| 6 | 736 | 1.87 | 291 | 2.39 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 651 | 1.65 | 165 | 1.36 | +http://yandex.com/bots |
| 8 | 603 | 1.53 | 115 | 0.94 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 427 | 1.08 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 392 | 0.99 | 311 | 2.55 | +http://ahrefs.com/robot/ |
| 11 | 240 | 0.61 | 20 | 0.16 | http://www.searchmetrics.com/en/searchme... |
| 12 | 217 | 0.55 | 51 | 0.42 | +http://www.easou.com/search/spider.html |
| 13 | 200 | 0.51 | 79 | 0.65 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 169 | 0.43 | 57 | 0.47 | +http://www.linkdex.com/bots/ |
| 15 | 104 | 0.26 | 2 | 0.02 | +http://advbot.net/bot.html |
| 16 | 74 | 0.19 | 36 | 0.30 | +http://duckduckgo.com |
| 17 | 62 | 0.16 | 54 | 0.44 | +http://www.xovibot.net/ |
| 18 | 47 | 0.12 | 2 | 0.02 | Windows 98 |
| 19 | 42 | 0.11 | 1 | 0.01 | +http://www.aihitdata.com/about |
| 20 | 41 | 0.10 | 3 | 0.02 | Windows 95 |
| 21 | 39 | 0.10 | 24 | 0.20 | +http://www.semrush.com/bot.html |
| 22 | 39 | 0.10 | 13 | 0.11 | +http://www.profound.net/domainappender |
| 23 | 31 | 0.08 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 24 | 28 | 0.07 | 11 | 0.09 | +http://www.exabot.com/go/robot |
| 25 | 27 | 0.07 | 0 | 0.00 | Auto; Windows |
| 26 | 24 | 0.06 | 3 | 0.02 | Windows 2000 |
| 27 | 21 | 0.05 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 28 | 19 | 0.05 | 4 | 0.03 | Windows 3.1 |
| 29 | 19 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 15 | 0.04 | 3 | 0.02 | Windows CE |
| 31 | 13 | 0.03 | 0 | 0.00 | http://drive.google.com |
| 32 | 11 | 0.03 | 1 | 0.01 | crawler@mixrank.com |
| 33 | 11 | 0.03 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 34 | 8 | 0.02 | 1 | 0.01 | Windows XP |
| 35 | 8 | 0.02 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 36 | 6 | 0.02 | 5 | 0.04 | +http://www.domaintuno.com/robot |
| 37 | 6 | 0.02 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 38 | 5 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 39 | 5 | 0.01 | 2 | 0.02 | Windows ME |
| 40 | 4 | 0.01 | 2 | 0.02 | +http://gimme60.com |
| 41 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 43 | 3 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/ |
| 44 | 2 | 0.01 | 1 | 0.01 | Android |
| 45 | 2 | 0.01 | 0 | 0.00 | Linux i686 [unknown version] |
| 46 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 47 | 1 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 49 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 50 | 1 | 0.00 | 1 | 0.01 | X11 |
| 51 | 1 | 0.00 | 1 | 0.01 | +; |
| 52 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
