| Used Operating Systems |
| 1 | 2363 | 33.02 | 518 | 15.68 | Windows NT |
| 2 | 1349 | 18.85 | 1313 | 39.74 | +http://www.baidu.com/search/spider.html |
| 3 | 1319 | 18.43 | 489 | 14.80 | +http://www.bing.com/bingbot.htm |
| 4 | 475 | 6.64 | 320 | 9.69 | +http://www.google.com/bot.html |
| 5 | 298 | 4.16 | 185 | 5.60 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 217 | 3.03 | 58 | 1.76 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 133 | 1.86 | 42 | 1.27 | Linux i386 [unknown version] |
| 8 | 126 | 1.76 | 60 | 1.82 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 69 | 0.96 | 17 | 0.51 | +http://yandex.com/bots |
| 10 | 59 | 0.82 | 13 | 0.39 | http://www.bing.com/bingbot.htm |
| 11 | 54 | 0.75 | 18 | 0.54 | +http://duckduckgo.com |
| 12 | 53 | 0.74 | 18 | 0.54 | Windows XP |
| 13 | 46 | 0.64 | 30 | 0.91 | +http://www.bigbozz.com/ |
| 14 | 43 | 0.60 | 32 | 0.97 | +http://ahrefs.com/robot/ |
| 15 | 43 | 0.60 | 5 | 0.15 | +http://fulltext.sblog.cz/ |
| 16 | 41 | 0.57 | 39 | 1.18 | http://www.openfos.com |
| 17 | 40 | 0.56 | 40 | 1.21 | http://www.mfgpages.com |
| 18 | 36 | 0.50 | 14 | 0.42 | +http://www.exabot.com/go/robot |
| 19 | 34 | 0.48 | 4 | 0.12 | WinHttp.WinHttpRequest.5 |
| 20 | 33 | 0.46 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 21 | 32 | 0.45 | 4 | 0.12 | +http://www.profound.net/domainappender |
| 22 | 30 | 0.42 | 12 | 0.36 | +http://help.coccoc.com/ |
| 23 | 29 | 0.41 | 5 | 0.15 | +http://www.semrush.com/bot.html |
| 24 | 27 | 0.38 | 1 | 0.03 | +http://megaindex.com/crawler |
| 25 | 26 | 0.36 | 1 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 26 | 23 | 0.32 | 1 | 0.03 | Android |
| 27 | 22 | 0.31 | 1 | 0.03 | BlackBerry |
| 28 | 22 | 0.31 | 7 | 0.21 | Windows 95 |
| 29 | 16 | 0.22 | 6 | 0.18 | Windows 98 |
| 30 | 12 | 0.17 | 5 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 31 | 10 | 0.14 | 4 | 0.12 | Windows ME |
| 32 | 8 | 0.11 | 5 | 0.15 | Macintosh |
| 33 | 7 | 0.10 | 6 | 0.18 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 34 | 6 | 0.08 | 2 | 0.06 | Auto; Windows |
| 35 | 6 | 0.08 | 2 | 0.06 | +http://www.scoutjet.com/ |
| 36 | 6 | 0.08 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 37 | 5 | 0.07 | 2 | 0.06 | Windows CE |
| 38 | 5 | 0.07 | 1 | 0.03 | +http://www.linkdex.com/bots/ |
| 39 | 4 | 0.06 | 2 | 0.06 | Wayback Machine Live Record; +http://arc... |
| 40 | 3 | 0.04 | 1 | 0.03 | +http://crawler.seolytics.net/ |
| 41 | 3 | 0.04 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 42 | 3 | 0.04 | 2 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 2 | 0.03 | 1 | 0.03 | Windows 2000 |
| 44 | 2 | 0.03 | 2 | 0.06 | +http://pmoz.info/doc/botinfo.htm |
| 45 | 2 | 0.03 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 46 | 2 | 0.03 | 2 | 0.06 | http://nmap.org/book/nse.html |
| 47 | 2 | 0.03 | 1 | 0.03 | Windows Phone OS 7.5 |
| 48 | 2 | 0.03 | 1 | 0.03 | Windows 3.1 |
| 49 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 50 | 1 | 0.01 | 1 | 0.03 | +http://www.wmtips.com/tools/ |
| 51 | 1 | 0.01 | 1 | 0.03 | +http://domainmacro.com |
| 52 | 1 | 0.01 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 53 | 1 | 0.01 | 1 | 0.03 | X11 |
| 54 | 1 | 0.01 | 1 | 0.03 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
| 55 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
