| Used Operating Systems |
| 1 | 15846 | 48.29 | 4705 | 62.14 | Windows NT |
| 2 | 6593 | 20.09 | 6 | 0.08 | +http://www.warebay.com/bot.html |
| 3 | 1966 | 5.99 | 116 | 1.53 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1178 | 3.59 | 504 | 6.66 | +http://ahrefs.com/robot/ |
| 5 | 1106 | 3.37 | 247 | 3.26 | +http://yandex.com/bots |
| 6 | 1006 | 3.07 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 7 | 995 | 3.03 | 515 | 6.80 | +http://www.google.com/bot.html |
| 8 | 983 | 3.00 | 676 | 8.93 | +http://www.baidu.com/search/spider.html |
| 9 | 750 | 2.29 | 280 | 3.70 | +http://www.bing.com/bingbot.htm |
| 10 | 729 | 2.22 | 221 | 2.92 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 711 | 2.17 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 12 | 227 | 0.69 | 68 | 0.90 | +http://www.linkdex.com/bots/ |
| 13 | 155 | 0.47 | 77 | 1.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 143 | 0.44 | 2 | 0.03 | +http://www.seokicks.de/robot.html |
| 15 | 90 | 0.27 | 39 | 0.52 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 37 | 0.11 | 13 | 0.17 | X11 |
| 17 | 34 | 0.10 | 4 | 0.05 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 18 | 32 | 0.10 | 1 | 0.01 | +http://www.linkpad.ru |
| 19 | 32 | 0.10 | 16 | 0.21 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 30 | 0.09 | 16 | 0.21 | +http://www.semrush.com/bot.html |
| 21 | 26 | 0.08 | 3 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 22 | 21 | 0.06 | 1 | 0.01 | BREW |
| 23 | 13 | 0.04 | 7 | 0.09 | +http://www.exabot.com/go/robot |
| 24 | 12 | 0.04 | 9 | 0.12 | Windows 95 |
| 25 | 11 | 0.03 | 1 | 0.01 | crawler@mixrank.com |
| 26 | 8 | 0.02 | 4 | 0.05 | Android 2.3.5 |
| 27 | 6 | 0.02 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 28 | 6 | 0.02 | 2 | 0.03 | +http://plus5files.net |
| 29 | 6 | 0.02 | 4 | 0.05 | Linux i686 [unknown version] |
| 30 | 5 | 0.02 | 5 | 0.07 | Windows 3.1 |
| 31 | 4 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 32 | 4 | 0.01 | 1 | 0.01 | +http://galaxydownloads.co |
| 33 | 4 | 0.01 | 2 | 0.03 | Windows ME |
| 34 | 4 | 0.01 | 1 | 0.01 | +http://www.xovibot.net/ |
| 35 | 4 | 0.01 | 1 | 0.01 | +http://alphaphitote.com |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://mono.name |
| 37 | 3 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 38 | 3 | 0.01 | 2 | 0.03 | Windows 98 |
| 39 | 3 | 0.01 | 1 | 0.01 | +http://opendownload.pw |
| 40 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 41 | 2 | 0.01 | 1 | 0.01 | Trident/5.0; Windows 98;GB; Avant Browse... |
| 42 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 43 | 2 | 0.01 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 44 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 2 | 0.01 | 2 | 0.03 | Windows XP |
| 46 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 47 | 2 | 0.01 | 1 | 0.01 | +http://wmaid.com/en/explore/ |
| 48 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 49 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 50 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 51 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 52 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; IEMB3; ZangoToo... |
| 53 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 54 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
