| Used Operating Systems |
| 1 | 23735 | 42.05 | 185 | 2.64 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 17730 | 31.41 | 2625 | 37.51 | Windows NT |
| 3 | 3989 | 7.07 | 281 | 4.02 | +http://ahrefs.com/robot/ |
| 4 | 3833 | 6.79 | 775 | 11.07 | +http://www.bing.com/bingbot.htm |
| 5 | 2542 | 4.50 | 1743 | 24.91 | +http://www.baidu.com/search/spider.html |
| 6 | 1155 | 2.05 | 413 | 5.90 | +http://www.google.com/bot.html |
| 7 | 1080 | 1.91 | 366 | 5.23 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 508 | 0.90 | 159 | 2.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 487 | 0.86 | 73 | 1.04 | +http://yandex.com/bots |
| 10 | 396 | 0.70 | 102 | 1.46 | +http://www.linkdex.com/bots/ |
| 11 | 114 | 0.20 | 7 | 0.10 | +http://fulltext.sblog.cz/ |
| 12 | 112 | 0.20 | 14 | 0.20 | +http://www.profound.net/domainappender |
| 13 | 108 | 0.19 | 18 | 0.26 | +http://www.semrush.com/bot.html |
| 14 | 70 | 0.12 | 18 | 0.26 | http://www.bing.com/bingbot.htm |
| 15 | 56 | 0.10 | 19 | 0.27 | Windows XP |
| 16 | 45 | 0.08 | 7 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 43 | 0.08 | 18 | 0.26 | Windows 98 |
| 18 | 42 | 0.07 | 26 | 0.37 | Windows 95 |
| 19 | 41 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 20 | 38 | 0.07 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 21 | 36 | 0.06 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 22 | 32 | 0.06 | 16 | 0.23 | +http://www.exabot.com/go/robot |
| 23 | 24 | 0.04 | 12 | 0.17 | +http://duckduckgo.com |
| 24 | 22 | 0.04 | 8 | 0.11 | +https://deusu.de/robot.html |
| 25 | 20 | 0.04 | 10 | 0.14 | +http://help.coccoc.com/ |
| 26 | 19 | 0.03 | 5 | 0.07 | X11 |
| 27 | 16 | 0.03 | 8 | 0.11 | Windows ME |
| 28 | 14 | 0.02 | 8 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 29 | 13 | 0.02 | 7 | 0.10 | +http://monsido.com/bot.html; info@monsi... |
| 30 | 10 | 0.02 | 1 | 0.01 | Android 2.3.5 |
| 31 | 9 | 0.02 | 0 | 0.00 | not on Windows server; |
| 32 | 9 | 0.02 | 7 | 0.10 | Auto; Windows |
| 33 | 9 | 0.02 | 7 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 34 | 9 | 0.02 | 7 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 35 | 8 | 0.01 | 6 | 0.09 | Windows 3.1 |
| 36 | 7 | 0.01 | 4 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 6 | 0.01 | 6 | 0.09 | Windows 2000 |
| 38 | 6 | 0.01 | 4 | 0.06 | Linux i686 [unknown version] |
| 39 | 6 | 0.01 | 2 | 0.03 | +http://prlog.ru/ |
| 40 | 5 | 0.01 | 5 | 0.07 | Windows CE |
| 41 | 4 | 0.01 | 2 | 0.03 | +http://www.proximic.com/info/spider.php |
| 42 | 4 | 0.01 | 2 | 0.03 | +http://crawler.seolytics.net/ |
| 43 | 3 | 0.01 | 3 | 0.04 | Linux [unknown version] |
| 44 | 3 | 0.01 | 3 | 0.04 | Intel Mac OS X 10.6 |
| 45 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 46 | 2 | 0.00 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 47 | 2 | 0.00 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 48 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 49 | 2 | 0.00 | 1 | 0.01 | +http://www.findxbot.com |
| 50 | 2 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 51 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 52 | 2 | 0.00 | 2 | 0.03 | +http://www.buzzsumo.com/bot.html |
| 53 | 2 | 0.00 | 2 | 0.03 | +http://megaindex.com/crawler |
| 54 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 55 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 56 | 1 | 0.00 | 1 | 0.01 | Win32 |
| 57 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 58 | 1 | 0.00 | 1 | 0.01 | +http://www.parsijoo.ir/; crawler@parsij... |
| 59 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 60 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 61 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 62 | 1 | 0.00 | 1 | 0.01 | ActiveXperts.Http |
| 63 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.0 |
