| Used Operating Systems |
| 1 | 10003 | 38.67 | 110 | 3.57 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8592 | 33.22 | 1047 | 33.95 | Windows NT |
| 3 | 3137 | 12.13 | 587 | 19.03 | +http://www.google.com/bot.html |
| 4 | 1699 | 6.57 | 791 | 25.65 | +http://www.baidu.com/search/spider.html |
| 5 | 1370 | 5.30 | 287 | 9.31 | +http://www.bing.com/bingbot.htm |
| 6 | 186 | 0.72 | 8 | 0.26 | +http://fulltext.sblog.cz/ |
| 7 | 117 | 0.45 | 14 | 0.45 | +http://yandex.com/bots |
| 8 | 93 | 0.36 | 20 | 0.65 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 73 | 0.28 | 24 | 0.78 | +http://www.linkdex.com/bots/ |
| 10 | 58 | 0.22 | 20 | 0.65 | +http://ahrefs.com/robot/ |
| 11 | 51 | 0.20 | 2 | 0.06 | +https://www.aihitdata.com/about |
| 12 | 44 | 0.17 | 2 | 0.06 | WinHttp.WinHttpRequest.5 |
| 13 | 44 | 0.17 | 17 | 0.55 | +http://www.exabot.com/go/robot |
| 14 | 41 | 0.16 | 6 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 39 | 0.15 | 31 | 1.01 | Windows 95 |
| 16 | 27 | 0.10 | 11 | 0.36 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 23 | 0.09 | 1 | 0.03 | +; |
| 18 | 22 | 0.09 | 5 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 19 | 22 | 0.09 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 20 | 22 | 0.09 | 9 | 0.29 | +http://duckduckgo.com |
| 21 | 19 | 0.07 | 1 | 0.03 | Windows 98 |
| 22 | 17 | 0.07 | 5 | 0.16 | +http://www.semrush.com/bot.html |
| 23 | 15 | 0.06 | 5 | 0.16 | +http://www.profound.net/domainappender |
| 24 | 13 | 0.05 | 2 | 0.06 | Intel Mac OS X 10.6 |
| 25 | 11 | 0.04 | 9 | 0.29 | http://www.bing.com/bingbot.htm |
| 26 | 10 | 0.04 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 27 | 10 | 0.04 | 5 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 9 | 0.03 | 9 | 0.29 | Windows CE |
| 29 | 9 | 0.03 | 1 | 0.03 | Linux [unknown version] |
| 30 | 9 | 0.03 | 5 | 0.16 | +http://help.coccoc.com/ |
| 31 | 9 | 0.03 | 1 | 0.03 | +http://megaindex.com/crawler |
| 32 | 8 | 0.03 | 8 | 0.26 | MSIE 5.5; Windows NT 4.0 |
| 33 | 7 | 0.03 | 5 | 0.16 | Windows ME |
| 34 | 6 | 0.02 | 5 | 0.16 | Auto; Windows |
| 35 | 6 | 0.02 | 5 | 0.16 | Windows 3.1 |
| 36 | 5 | 0.02 | 5 | 0.16 | +http://www.domaintuno.com/robot |
| 37 | 5 | 0.02 | 5 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 38 | 5 | 0.02 | 4 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 39 | 4 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 40 | 4 | 0.02 | 0 | 0.00 | X11 |
| 41 | 3 | 0.01 | 3 | 0.10 | Windows 2000 |
| 42 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 3 | 0.01 | 1 | 0.03 | Windows XP |
| 44 | 3 | 0.01 | 2 | 0.06 | +info@netcraft.com |
| 45 | 2 | 0.01 | 1 | 0.03 | +https://www.mojeek.com/bot.html |
| 46 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 47 | 2 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 48 | 2 | 0.01 | 1 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 49 | 1 | 0.00 | 1 | 0.03 | +http://support.embed.ly/ |
| 50 | 1 | 0.00 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
