| Used Operating Systems |
| 1 | 8628 | 39.04 | 3469 | 44.59 | Windows NT |
| 2 | 6661 | 30.14 | 114 | 1.47 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2669 | 12.08 | 2299 | 29.55 | +http://www.baidu.com/search/spider.html |
| 4 | 939 | 4.25 | 488 | 6.27 | +http://www.google.com/bot.html |
| 5 | 819 | 3.71 | 355 | 4.56 | +http://www.bing.com/bingbot.htm |
| 6 | 389 | 1.76 | 277 | 3.56 | Windows 95 |
| 7 | 346 | 1.57 | 119 | 1.53 | +http://www.linkdex.com/bots/ |
| 8 | 293 | 1.33 | 85 | 1.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 250 | 1.13 | 33 | 0.42 | Windows 98 |
| 10 | 245 | 1.11 | 42 | 0.54 | +http://yandex.com/bots |
| 11 | 73 | 0.33 | 60 | 0.77 | Auto; Windows |
| 12 | 67 | 0.30 | 53 | 0.68 | MSIE 5.5; Windows NT 5.0 |
| 13 | 66 | 0.30 | 2 | 0.03 | Windows XP |
| 14 | 65 | 0.29 | 54 | 0.69 | Windows CE |
| 15 | 64 | 0.29 | 59 | 0.76 | MSIE 5.5; Windows NT 4.0 |
| 16 | 60 | 0.27 | 44 | 0.57 | Windows 3.1 |
| 17 | 57 | 0.26 | 49 | 0.63 | ) - BrowseX (2.0.0 Windows |
| 18 | 55 | 0.25 | 49 | 0.63 | Windows 2000 |
| 19 | 50 | 0.23 | 42 | 0.54 | Windows ME |
| 20 | 44 | 0.20 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 21 | 29 | 0.13 | 16 | 0.21 | +http://ahrefs.com/robot/ |
| 22 | 26 | 0.12 | 2 | 0.03 | +http://www.aihitdata.com/about |
| 23 | 19 | 0.09 | 9 | 0.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 24 | 18 | 0.08 | 7 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 16 | 0.07 | 1 | 0.01 | +http://www.linkpad.ru |
| 26 | 16 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 16 | 0.07 | 8 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 15 | 0.07 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 29 | 13 | 0.06 | 6 | 0.08 | +http://www.exabot.com/go/robot |
| 30 | 11 | 0.05 | 0 | 0.00 | +http://www.xovibot.net/ |
| 31 | 9 | 0.04 | 5 | 0.06 | X11 |
| 32 | 8 | 0.04 | 3 | 0.04 | Android 2.3.5 |
| 33 | 4 | 0.02 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 34 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 4 | 0.02 | 4 | 0.05 | +http://www.domaintuno.com/robot |
| 36 | 4 | 0.02 | 1 | 0.01 | +http://medialine-it.com |
| 37 | 4 | 0.02 | 1 | 0.01 | +http://t2downloads.xyz |
| 38 | 4 | 0.02 | 2 | 0.03 | Macintosh |
| 39 | 4 | 0.02 | 1 | 0.01 | +http://r4downloads.co |
| 40 | 4 | 0.02 | 2 | 0.03 | +http://duckduckgo.com |
| 41 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 42 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com |
| 43 | 3 | 0.01 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 44 | 3 | 0.01 | 1 | 0.01 | +http://prox100download.com |
| 45 | 3 | 0.01 | 1 | 0.01 | +http://trumpetsheetmusic.org |
| 46 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 47 | 3 | 0.01 | 2 | 0.03 | +http://gimme60.com |
| 48 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 49 | 2 | 0.01 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 50 | 2 | 0.01 | 1 | 0.01 | +http://help.naver.com/robots/ |
| 51 | 1 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 52 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 53 | 1 | 0.00 | 1 | 0.01 | +; |
