| Used Operating Systems |
| 1 | 28828 | 43.98 | 4396 | 36.79 | Windows NT |
| 2 | 15095 | 23.03 | 106 | 0.89 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 8343 | 12.73 | 200 | 1.67 | +http://yandex.com/bots |
| 4 | 4435 | 6.77 | 3850 | 32.22 | +http://www.baidu.com/search/spider.html |
| 5 | 2422 | 3.70 | 1233 | 10.32 | +http://ahrefs.com/robot/ |
| 6 | 1677 | 2.56 | 16 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 7 | 1296 | 1.98 | 659 | 5.51 | +http://www.google.com/bot.html |
| 8 | 688 | 1.05 | 291 | 2.44 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 508 | 0.78 | 177 | 1.48 | +http://www.bing.com/bingbot.htm |
| 10 | 426 | 0.65 | 321 | 2.69 | Windows 95 |
| 11 | 297 | 0.45 | 79 | 0.66 | +http://www.linkdex.com/bots/ |
| 12 | 258 | 0.39 | 2 | 0.02 | +http://www.warebay.com/bot.html |
| 13 | 240 | 0.37 | 30 | 0.25 | Windows 98 |
| 14 | 231 | 0.35 | 54 | 0.45 | +http://www.exabot.com/go/robot |
| 15 | 87 | 0.13 | 76 | 0.64 | MSIE 5.5; Windows NT 4.0 |
| 16 | 75 | 0.11 | 54 | 0.45 | +http://www.easou.com/search/spider.html |
| 17 | 67 | 0.10 | 59 | 0.49 | Windows CE |
| 18 | 66 | 0.10 | 58 | 0.49 | Auto; Windows |
| 19 | 61 | 0.09 | 2 | 0.02 | Windows XP |
| 20 | 61 | 0.09 | 54 | 0.45 | ) - BrowseX (2.0.0 Windows |
| 21 | 60 | 0.09 | 53 | 0.44 | Windows ME |
| 22 | 55 | 0.08 | 53 | 0.44 | MSIE 5.5; Windows NT 5.0 |
| 23 | 53 | 0.08 | 50 | 0.42 | Windows 2000 |
| 24 | 49 | 0.07 | 40 | 0.33 | Windows 3.1 |
| 25 | 45 | 0.07 | 4 | 0.03 | X11 |
| 26 | 19 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 27 | 19 | 0.03 | 0 | 0.00 | Android 2.3.5 |
| 28 | 12 | 0.02 | 8 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 11 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 30 | 10 | 0.02 | 3 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 31 | 8 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 5 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 33 | 4 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 34 | 4 | 0.01 | 1 | 0.01 | +http://isdownload.biz |
| 35 | 4 | 0.01 | 1 | 0.01 | +http://medialine-it.com |
| 36 | 4 | 0.01 | 4 | 0.03 | +info@netcraft.com |
| 37 | 4 | 0.01 | 1 | 0.01 | +http://t2downloads.xyz |
| 38 | 3 | 0.00 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.00 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 40 | 2 | 0.00 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 41 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 42 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 2 | 0.00 | 2 | 0.02 | +; |
| 44 | 1 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 45 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://gimme60.com |
